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Finding the Fourth Proportional to 354,881.80, 532,322.70 and 177,416.20

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Solution

The fourth proportional to 354,881.80, 532,322.70 and 177,416.20 is: 266,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,881.80 : 532,322.70 = 177,416.20 : x
  2. Step 2: Convert to fraction form
    354,881.80/532,322.70 = 177,416.20/x
  3. Step 3: Cross multiply
    354,881.80x = 532,322.70 × 177,416.20
  4. Step 4: Simplify right side
    354,881.80x = 94,442,670,607.74
  5. Step 5: Solve for x
    x = 94,442,670,607.74/354,881.80
  6. Step 6: Final answer
    x = 266,124.30

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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.