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Finding the Fourth Proportional to 676,474.34, 933,541.45 and 408,150.50

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Solution

The fourth proportional to 676,474.34, 933,541.45 and 408,150.50 is: 563,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,474.34 : 933,541.45 = 408,150.50 : x
  2. Step 2: Convert to fraction form
    676,474.34/933,541.45 = 408,150.50/x
  3. Step 3: Cross multiply
    676,474.34x = 933,541.45 × 408,150.50
  4. Step 4: Simplify right side
    676,474.34x = 381,025,409,588.23
  5. Step 5: Solve for x
    x = 381,025,409,588.23/676,474.34
  6. Step 6: Final answer
    x = 563,251.83

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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.