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Finding the Fourth Proportional to 519,041.40, 716,275.98 and 292,685.32

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Solution

The fourth proportional to 519,041.40, 716,275.98 and 292,685.32 is: 403,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,041.40 : 716,275.98 = 292,685.32 : x
  2. Step 2: Convert to fraction form
    519,041.40/716,275.98 = 292,685.32/x
  3. Step 3: Cross multiply
    519,041.40x = 716,275.98 × 292,685.32
  4. Step 4: Simplify right side
    519,041.40x = 209,643,464,414.61
  5. Step 5: Solve for x
    x = 209,643,464,414.61/519,041.40
  6. Step 6: Final answer
    x = 403,905.09

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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.