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Finding the Fourth Proportional to 623,472.64, 935,131.20 and 249,498.88

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Solution

The fourth proportional to 623,472.64, 935,131.20 and 249,498.88 is: 374,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,472.64 : 935,131.20 = 249,498.88 : x
  2. Step 2: Convert to fraction form
    623,472.64/935,131.20 = 249,498.88/x
  3. Step 3: Cross multiply
    623,472.64x = 935,131.20 × 249,498.88
  4. Step 4: Simplify right side
    623,472.64x = 233,314,187,053.06
  5. Step 5: Solve for x
    x = 233,314,187,053.06/623,472.64
  6. Step 6: Final answer
    x = 374,217.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.