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Finding the Fourth Proportional to 355,094.60, 532,382.70 and 144,624.20

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Solution

The fourth proportional to 355,094.60, 532,382.70 and 144,624.20 is: 216,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,094.60 : 532,382.70 = 144,624.20 : x
  2. Step 2: Convert to fraction form
    355,094.60/532,382.70 = 144,624.20/x
  3. Step 3: Cross multiply
    355,094.60x = 532,382.70 × 144,624.20
  4. Step 4: Simplify right side
    355,094.60x = 76,995,422,081.34
  5. Step 5: Solve for x
    x = 76,995,422,081.34/355,094.60
  6. Step 6: Final answer
    x = 216,830.73

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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.