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Finding the Fourth Proportional to 624,897.24, 862,358.94 and 338,417.76

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Solution

The fourth proportional to 624,897.24, 862,358.94 and 338,417.76 is: 467,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,897.24 : 862,358.94 = 338,417.76 : x
  2. Step 2: Convert to fraction form
    624,897.24/862,358.94 = 338,417.76/x
  3. Step 3: Cross multiply
    624,897.24x = 862,358.94 × 338,417.76
  4. Step 4: Simplify right side
    624,897.24x = 291,837,580,790.77
  5. Step 5: Solve for x
    x = 291,837,580,790.77/624,897.24
  6. Step 6: Final answer
    x = 467,016.91

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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.