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Finding the Fourth Proportional to 354,984.60, 532,400.10 and 155,304.60

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Solution

The fourth proportional to 354,984.60, 532,400.10 and 155,304.60 is: 232,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,984.60 : 532,400.10 = 155,304.60 : x
  2. Step 2: Convert to fraction form
    354,984.60/532,400.10 = 155,304.60/x
  3. Step 3: Cross multiply
    354,984.60x = 532,400.10 × 155,304.60
  4. Step 4: Simplify right side
    354,984.60x = 82,684,184,570.46
  5. Step 5: Solve for x
    x = 82,684,184,570.46/354,984.60
  6. Step 6: Final answer
    x = 232,923.30

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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.