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Finding the Fourth Proportional to 362,437.60, 543,656.40 and 323,730.40

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Solution

The fourth proportional to 362,437.60, 543,656.40 and 323,730.40 is: 485,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,437.60 : 543,656.40 = 323,730.40 : x
  2. Step 2: Convert to fraction form
    362,437.60/543,656.40 = 323,730.40/x
  3. Step 3: Cross multiply
    362,437.60x = 543,656.40 × 323,730.40
  4. Step 4: Simplify right side
    362,437.60x = 175,998,103,834.56
  5. Step 5: Solve for x
    x = 175,998,103,834.56/362,437.60
  6. Step 6: Final answer
    x = 485,595.60

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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.