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Finding the Fourth Proportional to 438,397.58, 604,927.96 and 244,781.66

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Solution

The fourth proportional to 438,397.58, 604,927.96 and 244,781.66 is: 337,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,397.58 : 604,927.96 = 244,781.66 : x
  2. Step 2: Convert to fraction form
    438,397.58/604,927.96 = 244,781.66/x
  3. Step 3: Cross multiply
    438,397.58x = 604,927.96 × 244,781.66
  4. Step 4: Simplify right side
    438,397.58x = 148,075,266,592.62
  5. Step 5: Solve for x
    x = 148,075,266,592.62/438,397.58
  6. Step 6: Final answer
    x = 337,764.79

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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.