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Finding the Fourth Proportional to 342,697.04, 514,192.58 and 132,482.60

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Solution

The fourth proportional to 342,697.04, 514,192.58 and 132,482.60 is: 198,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,697.04 : 514,192.58 = 132,482.60 : x
  2. Step 2: Convert to fraction form
    342,697.04/514,192.58 = 132,482.60/x
  3. Step 3: Cross multiply
    342,697.04x = 514,192.58 × 132,482.60
  4. Step 4: Simplify right side
    342,697.04x = 68,121,569,899.11
  5. Step 5: Solve for x
    x = 68,121,569,899.11/342,697.04
  6. Step 6: Final answer
    x = 198,780.74

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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.