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Finding the Fourth Proportional to 242,258.40, 363,387.60 and 175,384.80

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Solution

The fourth proportional to 242,258.40, 363,387.60 and 175,384.80 is: 263,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,258.40 : 363,387.60 = 175,384.80 : x
  2. Step 2: Convert to fraction form
    242,258.40/363,387.60 = 175,384.80/x
  3. Step 3: Cross multiply
    242,258.40x = 363,387.60 × 175,384.80
  4. Step 4: Simplify right side
    242,258.40x = 63,732,661,548.48
  5. Step 5: Solve for x
    x = 63,732,661,548.48/242,258.40
  6. Step 6: Final answer
    x = 263,077.20

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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.