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Finding the Fourth Proportional to 602,499.60, 903,749.40 and 181,720.80

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Solution

The fourth proportional to 602,499.60, 903,749.40 and 181,720.80 is: 272,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,499.60 : 903,749.40 = 181,720.80 : x
  2. Step 2: Convert to fraction form
    602,499.60/903,749.40 = 181,720.80/x
  3. Step 3: Cross multiply
    602,499.60x = 903,749.40 × 181,720.80
  4. Step 4: Simplify right side
    602,499.60x = 164,230,063,967.52
  5. Step 5: Solve for x
    x = 164,230,063,967.52/602,499.60
  6. Step 6: Final answer
    x = 272,581.20

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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.