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Finding the Fourth Proportional to 555,068.80, 832,603.20 and 302,251.60

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Solution

The fourth proportional to 555,068.80, 832,603.20 and 302,251.60 is: 453,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,068.80 : 832,603.20 = 302,251.60 : x
  2. Step 2: Convert to fraction form
    555,068.80/832,603.20 = 302,251.60/x
  3. Step 3: Cross multiply
    555,068.80x = 832,603.20 × 302,251.60
  4. Step 4: Simplify right side
    555,068.80x = 251,655,649,365.12
  5. Step 5: Solve for x
    x = 251,655,649,365.12/555,068.80
  6. Step 6: Final answer
    x = 453,377.40

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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.