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Finding the Fourth Proportional to 342,645.10, 514,000.05 and 93,327.10

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Solution

The fourth proportional to 342,645.10, 514,000.05 and 93,327.10 is: 139,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,645.10 : 514,000.05 = 93,327.10 : x
  2. Step 2: Convert to fraction form
    342,645.10/514,000.05 = 93,327.10/x
  3. Step 3: Cross multiply
    342,645.10x = 514,000.05 × 93,327.10
  4. Step 4: Simplify right side
    342,645.10x = 47,970,134,066.36
  5. Step 5: Solve for x
    x = 47,970,134,066.36/342,645.10
  6. Step 6: Final answer
    x = 139,999.47

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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.