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Finding the Fourth Proportional to 536,893.40, 740,917.68 and 291,878.66

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Solution

The fourth proportional to 536,893.40, 740,917.68 and 291,878.66 is: 402,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,893.40 : 740,917.68 = 291,878.66 : x
  2. Step 2: Convert to fraction form
    536,893.40/740,917.68 = 291,878.66/x
  3. Step 3: Cross multiply
    536,893.40x = 740,917.68 × 291,878.66
  4. Step 4: Simplify right side
    536,893.40x = 216,258,059,608.71
  5. Step 5: Solve for x
    x = 216,258,059,608.71/536,893.40
  6. Step 6: Final answer
    x = 402,795.15

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