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Finding the Fourth Proportional to 524,556.60, 786,834.90 and 484,315.80

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Solution

The fourth proportional to 524,556.60, 786,834.90 and 484,315.80 is: 726,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,556.60 : 786,834.90 = 484,315.80 : x
  2. Step 2: Convert to fraction form
    524,556.60/786,834.90 = 484,315.80/x
  3. Step 3: Cross multiply
    524,556.60x = 786,834.90 × 484,315.80
  4. Step 4: Simplify right side
    524,556.60x = 381,076,574,061.42
  5. Step 5: Solve for x
    x = 381,076,574,061.42/524,556.60
  6. Step 6: Final answer
    x = 726,473.70

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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.