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Finding the Fourth Proportional to 522,870.84, 784,306.26 and 365,406.84

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Solution

The fourth proportional to 522,870.84, 784,306.26 and 365,406.84 is: 548,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,870.84 : 784,306.26 = 365,406.84 : x
  2. Step 2: Convert to fraction form
    522,870.84/784,306.26 = 365,406.84/x
  3. Step 3: Cross multiply
    522,870.84x = 784,306.26 × 365,406.84
  4. Step 4: Simplify right side
    522,870.84x = 286,590,872,058.82
  5. Step 5: Solve for x
    x = 286,590,872,058.82/522,870.84
  6. Step 6: Final answer
    x = 548,110.26

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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.