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Finding the Fourth Proportional to 461,966.40, 692,560.80 and 240,350.40

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Solution

The fourth proportional to 461,966.40, 692,560.80 and 240,350.40 is: 360,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,966.40 : 692,560.80 = 240,350.40 : x
  2. Step 2: Convert to fraction form
    461,966.40/692,560.80 = 240,350.40/x
  3. Step 3: Cross multiply
    461,966.40x = 692,560.80 × 240,350.40
  4. Step 4: Simplify right side
    461,966.40x = 166,457,265,304.32
  5. Step 5: Solve for x
    x = 166,457,265,304.32/461,966.40
  6. Step 6: Final answer
    x = 360,323.32

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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.