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Finding the Fourth Proportional to 616,808.96, 851,197.76 and 344,886.72

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Solution

The fourth proportional to 616,808.96, 851,197.76 and 344,886.72 is: 475,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,808.96 : 851,197.76 = 344,886.72 : x
  2. Step 2: Convert to fraction form
    616,808.96/851,197.76 = 344,886.72/x
  3. Step 3: Cross multiply
    616,808.96x = 851,197.76 × 344,886.72
  4. Step 4: Simplify right side
    616,808.96x = 293,566,803,517.75
  5. Step 5: Solve for x
    x = 293,566,803,517.75/616,808.96
  6. Step 6: Final answer
    x = 475,944.45

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1.5x scale

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.