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Finding the Fourth Proportional to 545,230.25, 752,788.11 and 341,363.58

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Solution

The fourth proportional to 545,230.25, 752,788.11 and 341,363.58 is: 471,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,230.25 : 752,788.11 = 341,363.58 : x
  2. Step 2: Convert to fraction form
    545,230.25/752,788.11 = 341,363.58/x
  3. Step 3: Cross multiply
    545,230.25x = 752,788.11 × 341,363.58
  4. Step 4: Simplify right side
    545,230.25x = 256,974,444,211.03
  5. Step 5: Solve for x
    x = 256,974,444,211.03/545,230.25
  6. Step 6: Final answer
    x = 471,313.62

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1.5x scale

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.