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Finding the Fourth Proportional to 557,646.63, 836,468.29 and 158,287.74

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Solution

The fourth proportional to 557,646.63, 836,468.29 and 158,287.74 is: 237,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,646.63 : 836,468.29 = 158,287.74 : x
  2. Step 2: Convert to fraction form
    557,646.63/836,468.29 = 158,287.74/x
  3. Step 3: Cross multiply
    557,646.63x = 836,468.29 × 158,287.74
  4. Step 4: Simplify right side
    557,646.63x = 132,402,675,205.77
  5. Step 5: Solve for x
    x = 132,402,675,205.77/557,646.63
  6. Step 6: Final answer
    x = 237,431.14

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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.