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Finding the Fourth Proportional to 576,191.20, 864,416.40 and 176,850.40

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Solution

The fourth proportional to 576,191.20, 864,416.40 and 176,850.40 is: 265,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,191.20 : 864,416.40 = 176,850.40 : x
  2. Step 2: Convert to fraction form
    576,191.20/864,416.40 = 176,850.40/x
  3. Step 3: Cross multiply
    576,191.20x = 864,416.40 × 176,850.40
  4. Step 4: Simplify right side
    576,191.20x = 152,872,386,106.56
  5. Step 5: Solve for x
    x = 152,872,386,106.56/576,191.20
  6. Step 6: Final answer
    x = 265,315.38

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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.