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Finding the Fourth Proportional to 361,572.60, 542,445.30 and 174,430.20

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Solution

The fourth proportional to 361,572.60, 542,445.30 and 174,430.20 is: 261,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,572.60 : 542,445.30 = 174,430.20 : x
  2. Step 2: Convert to fraction form
    361,572.60/542,445.30 = 174,430.20/x
  3. Step 3: Cross multiply
    361,572.60x = 542,445.30 × 174,430.20
  4. Step 4: Simplify right side
    361,572.60x = 94,618,842,168.06
  5. Step 5: Solve for x
    x = 94,618,842,168.06/361,572.60
  6. Step 6: Final answer
    x = 261,686.98

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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.