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Finding the Fourth Proportional to 519,239.53, 716,550.15 and 292,885.03

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Solution

The fourth proportional to 519,239.53, 716,550.15 and 292,885.03 is: 404,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,239.53 : 716,550.15 = 292,885.03 : x
  2. Step 2: Convert to fraction form
    519,239.53/716,550.15 = 292,885.03/x
  3. Step 3: Cross multiply
    519,239.53x = 716,550.15 × 292,885.03
  4. Step 4: Simplify right side
    519,239.53x = 209,866,812,179.26
  5. Step 5: Solve for x
    x = 209,866,812,179.26/519,239.53
  6. Step 6: Final answer
    x = 404,181.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.