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Finding the Fourth Proportional to 522,926.59, 784,389.90 and 365,462.59

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Solution

The fourth proportional to 522,926.59, 784,389.90 and 365,462.59 is: 548,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,926.59 : 784,389.90 = 365,462.59 : x
  2. Step 2: Convert to fraction form
    522,926.59/784,389.90 = 365,462.59/x
  3. Step 3: Cross multiply
    522,926.59x = 784,389.90 × 365,462.59
  4. Step 4: Simplify right side
    522,926.59x = 286,665,164,423.84
  5. Step 5: Solve for x
    x = 286,665,164,423.84/522,926.59
  6. Step 6: Final answer
    x = 548,193.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.