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Finding the Fourth Proportional to 447,681.20, 671,521.80 and 250,663.60

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Solution

The fourth proportional to 447,681.20, 671,521.80 and 250,663.60 is: 375,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,681.20 : 671,521.80 = 250,663.60 : x
  2. Step 2: Convert to fraction form
    447,681.20/671,521.80 = 250,663.60/x
  3. Step 3: Cross multiply
    447,681.20x = 671,521.80 × 250,663.60
  4. Step 4: Simplify right side
    447,681.20x = 168,326,071,866.48
  5. Step 5: Solve for x
    x = 168,326,071,866.48/447,681.20
  6. Step 6: Final answer
    x = 375,995.40

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Similar ratio
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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.