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Finding the Fourth Proportional to 614,336.69, 847,714.56 and 356,159.79

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Solution

The fourth proportional to 614,336.69, 847,714.56 and 356,159.79 is: 491,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,336.69 : 847,714.56 = 356,159.79 : x
  2. Step 2: Convert to fraction form
    614,336.69/847,714.56 = 356,159.79/x
  3. Step 3: Cross multiply
    614,336.69x = 847,714.56 × 356,159.79
  4. Step 4: Simplify right side
    614,336.69x = 301,921,839,669.54
  5. Step 5: Solve for x
    x = 301,921,839,669.54/614,336.69
  6. Step 6: Final answer
    x = 491,459.89

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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.