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Finding the Fourth Proportional to 495,847.30, 745,326.15 and 486,516.10

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Solution

The fourth proportional to 495,847.30, 745,326.15 and 486,516.10 is: 731,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,847.30 : 745,326.15 = 486,516.10 : x
  2. Step 2: Convert to fraction form
    495,847.30/745,326.15 = 486,516.10/x
  3. Step 3: Cross multiply
    495,847.30x = 745,326.15 × 486,516.10
  4. Step 4: Simplify right side
    495,847.30x = 362,613,171,726.02
  5. Step 5: Solve for x
    x = 362,613,171,726.02/495,847.30
  6. Step 6: Final answer
    x = 731,300.08

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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.