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Finding the Fourth Proportional to 614,293.14, 847,434.69 and 359,486.58

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Solution

The fourth proportional to 614,293.14, 847,434.69 and 359,486.58 is: 495,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,293.14 : 847,434.69 = 359,486.58 : x
  2. Step 2: Convert to fraction form
    614,293.14/847,434.69 = 359,486.58/x
  3. Step 3: Cross multiply
    614,293.14x = 847,434.69 × 359,486.58
  4. Step 4: Simplify right side
    614,293.14x = 304,641,398,481.46
  5. Step 5: Solve for x
    x = 304,641,398,481.46/614,293.14
  6. Step 6: Final answer
    x = 495,921.86

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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.