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Finding the Fourth Proportional to 344,454.04, 475,148.40 and 215,167.76

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Solution

The fourth proportional to 344,454.04, 475,148.40 and 215,167.76 is: 296,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,454.04 : 475,148.40 = 215,167.76 : x
  2. Step 2: Convert to fraction form
    344,454.04/475,148.40 = 215,167.76/x
  3. Step 3: Cross multiply
    344,454.04x = 475,148.40 × 215,167.76
  4. Step 4: Simplify right side
    344,454.04x = 102,236,616,895.58
  5. Step 5: Solve for x
    x = 102,236,616,895.58/344,454.04
  6. Step 6: Final answer
    x = 296,807.72

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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.