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Finding the Fourth Proportional to 342,645.60, 514,000.80 and 93,327.60

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Solution

The fourth proportional to 342,645.60, 514,000.80 and 93,327.60 is: 140,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,645.60 : 514,000.80 = 93,327.60 : x
  2. Step 2: Convert to fraction form
    342,645.60/514,000.80 = 93,327.60/x
  3. Step 3: Cross multiply
    342,645.60x = 514,000.80 × 93,327.60
  4. Step 4: Simplify right side
    342,645.60x = 47,970,461,062.08
  5. Step 5: Solve for x
    x = 47,970,461,062.08/342,645.60
  6. Step 6: Final answer
    x = 140,000.22

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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.