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Finding the Fourth Proportional to 495,616.30, 744,007.65 and 492,117.10

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Solution

The fourth proportional to 495,616.30, 744,007.65 and 492,117.10 is: 738,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,616.30 : 744,007.65 = 492,117.10 : x
  2. Step 2: Convert to fraction form
    495,616.30/744,007.65 = 492,117.10/x
  3. Step 3: Cross multiply
    495,616.30x = 744,007.65 × 492,117.10
  4. Step 4: Simplify right side
    495,616.30x = 366,138,887,095.82
  5. Step 5: Solve for x
    x = 366,138,887,095.82/495,616.30
  6. Step 6: Final answer
    x = 738,754.73

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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.