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Finding the Fourth Proportional to 515,848.20, 773,116.20 and 249,034.20

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Solution

The fourth proportional to 515,848.20, 773,116.20 and 249,034.20 is: 373,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,848.20 : 773,116.20 = 249,034.20 : x
  2. Step 2: Convert to fraction form
    515,848.20/773,116.20 = 249,034.20/x
  3. Step 3: Cross multiply
    515,848.20x = 773,116.20 × 249,034.20
  4. Step 4: Simplify right side
    515,848.20x = 192,532,374,374.04
  5. Step 5: Solve for x
    x = 192,532,374,374.04/515,848.20
  6. Step 6: Final answer
    x = 373,234.56

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Double scale
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Similar ratio
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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.