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Finding the Fourth Proportional to 616,366.64, 850,016.76 and 473,132.72

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Solution

The fourth proportional to 616,366.64, 850,016.76 and 473,132.72 is: 652,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,366.64 : 850,016.76 = 473,132.72 : x
  2. Step 2: Convert to fraction form
    616,366.64/850,016.76 = 473,132.72/x
  3. Step 3: Cross multiply
    616,366.64x = 850,016.76 × 473,132.72
  4. Step 4: Simplify right side
    616,366.64x = 402,170,741,704.39
  5. Step 5: Solve for x
    x = 402,170,741,704.39/616,366.64
  6. Step 6: Final answer
    x = 652,486.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.