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Finding the Fourth Proportional to 519,044.40, 716,280.12 and 292,688.32

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Solution

The fourth proportional to 519,044.40, 716,280.12 and 292,688.32 is: 403,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,044.40 : 716,280.12 = 292,688.32 : x
  2. Step 2: Convert to fraction form
    519,044.40/716,280.12 = 292,688.32/x
  3. Step 3: Cross multiply
    519,044.40x = 716,280.12 × 292,688.32
  4. Step 4: Simplify right side
    519,044.40x = 209,646,824,972.20
  5. Step 5: Solve for x
    x = 209,646,824,972.20/519,044.40
  6. Step 6: Final answer
    x = 403,909.23

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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.