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Finding the Fourth Proportional to 342,876.30, 514,314.45 and 93,558.30

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Solution

The fourth proportional to 342,876.30, 514,314.45 and 93,558.30 is: 140,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,876.30 : 514,314.45 = 93,558.30 : x
  2. Step 2: Convert to fraction form
    342,876.30/514,314.45 = 93,558.30/x
  3. Step 3: Cross multiply
    342,876.30x = 514,314.45 × 93,558.30
  4. Step 4: Simplify right side
    342,876.30x = 48,118,385,607.44
  5. Step 5: Solve for x
    x = 48,118,385,607.44/342,876.30
  6. Step 6: Final answer
    x = 140,337.45

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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.