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Finding the Fourth Proportional to 341,715.60, 471,572.06 and 188,753.40

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Solution

The fourth proportional to 341,715.60, 471,572.06 and 188,753.40 is: 260,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,715.60 : 471,572.06 = 188,753.40 : x
  2. Step 2: Convert to fraction form
    341,715.60/471,572.06 = 188,753.40/x
  3. Step 3: Cross multiply
    341,715.60x = 471,572.06 × 188,753.40
  4. Step 4: Simplify right side
    341,715.60x = 89,010,829,670.00
  5. Step 5: Solve for x
    x = 89,010,829,670.00/341,715.60
  6. Step 6: Final answer
    x = 260,482.20

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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.