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Finding the Fourth Proportional to 497,070.90, 745,730.55 and 160,143.30

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Solution

The fourth proportional to 497,070.90, 745,730.55 and 160,143.30 is: 240,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,070.90 : 745,730.55 = 160,143.30 : x
  2. Step 2: Convert to fraction form
    497,070.90/745,730.55 = 160,143.30/x
  3. Step 3: Cross multiply
    497,070.90x = 745,730.55 × 160,143.30
  4. Step 4: Simplify right side
    497,070.90x = 119,423,751,187.82
  5. Step 5: Solve for x
    x = 119,423,751,187.82/497,070.90
  6. Step 6: Final answer
    x = 240,254.96

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