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Finding the Fourth Proportional to 587,427.60, 881,141.40 and 350,648.40

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Solution

The fourth proportional to 587,427.60, 881,141.40 and 350,648.40 is: 525,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,427.60 : 881,141.40 = 350,648.40 : x
  2. Step 2: Convert to fraction form
    587,427.60/881,141.40 = 350,648.40/x
  3. Step 3: Cross multiply
    587,427.60x = 881,141.40 × 350,648.40
  4. Step 4: Simplify right side
    587,427.60x = 308,970,822,083.76
  5. Step 5: Solve for x
    x = 308,970,822,083.76/587,427.60
  6. Step 6: Final answer
    x = 525,972.60

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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.