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Finding the Fourth Proportional to 342,748.04, 472,925.04 and 215,350.04

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Solution

The fourth proportional to 342,748.04, 472,925.04 and 215,350.04 is: 297,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,748.04 : 472,925.04 = 215,350.04 : x
  2. Step 2: Convert to fraction form
    342,748.04/472,925.04 = 215,350.04/x
  3. Step 3: Cross multiply
    342,748.04x = 472,925.04 × 215,350.04
  4. Step 4: Simplify right side
    342,748.04x = 101,844,426,281.00
  5. Step 5: Solve for x
    x = 101,844,426,281.00/342,748.04
  6. Step 6: Final answer
    x = 297,140.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.