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Finding the Fourth Proportional to 435,655.87, 653,739.80 and 182,916.92

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Solution

The fourth proportional to 435,655.87, 653,739.80 and 182,916.92 is: 274,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,655.87 : 653,739.80 = 182,916.92 : x
  2. Step 2: Convert to fraction form
    435,655.87/653,739.80 = 182,916.92/x
  3. Step 3: Cross multiply
    435,655.87x = 653,739.80 × 182,916.92
  4. Step 4: Simplify right side
    435,655.87x = 119,580,071,417.18
  5. Step 5: Solve for x
    x = 119,580,071,417.18/435,655.87
  6. Step 6: Final answer
    x = 274,482.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.