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Finding the Fourth Proportional to 536,902.15, 740,929.76 and 291,887.41

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Solution

The fourth proportional to 536,902.15, 740,929.76 and 291,887.41 is: 402,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,902.15 : 740,929.76 = 291,887.41 : x
  2. Step 2: Convert to fraction form
    536,902.15/740,929.76 = 291,887.41/x
  3. Step 3: Cross multiply
    536,902.15x = 740,929.76 × 291,887.41
  4. Step 4: Simplify right side
    536,902.15x = 216,268,068,638.32
  5. Step 5: Solve for x
    x = 216,268,068,638.32/536,902.15
  6. Step 6: Final answer
    x = 402,807.23

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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.