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Finding the Fourth Proportional to 600,419.70, 898,442.55 and 442,955.70

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Solution

The fourth proportional to 600,419.70, 898,442.55 and 442,955.70 is: 662,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,419.70 : 898,442.55 = 442,955.70 : x
  2. Step 2: Convert to fraction form
    600,419.70/898,442.55 = 442,955.70/x
  3. Step 3: Cross multiply
    600,419.70x = 898,442.55 × 442,955.70
  4. Step 4: Simplify right side
    600,419.70x = 397,970,248,645.04
  5. Step 5: Solve for x
    x = 397,970,248,645.04/600,419.70
  6. Step 6: Final answer
    x = 662,820.11

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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.