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Finding the Fourth Proportional to 495,513.86, 743,381.55 and 158,574.71

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Solution

The fourth proportional to 495,513.86, 743,381.55 and 158,574.71 is: 237,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,513.86 : 743,381.55 = 158,574.71 : x
  2. Step 2: Convert to fraction form
    495,513.86/743,381.55 = 158,574.71/x
  3. Step 3: Cross multiply
    495,513.86x = 743,381.55 × 158,574.71
  4. Step 4: Simplify right side
    495,513.86x = 117,881,515,569.05
  5. Step 5: Solve for x
    x = 117,881,515,569.05/495,513.86
  6. Step 6: Final answer
    x = 237,897.52

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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.