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Finding the Fourth Proportional to 600,412.70, 898,432.05 and 442,948.70

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Solution

The fourth proportional to 600,412.70, 898,432.05 and 442,948.70 is: 662,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,412.70 : 898,432.05 = 442,948.70 : x
  2. Step 2: Convert to fraction form
    600,412.70/898,432.05 = 442,948.70/x
  3. Step 3: Cross multiply
    600,412.70x = 898,432.05 × 442,948.70
  4. Step 4: Simplify right side
    600,412.70x = 397,959,308,585.84
  5. Step 5: Solve for x
    x = 397,959,308,585.84/600,412.70
  6. Step 6: Final answer
    x = 662,809.61

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1.5x scale

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.