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Finding the Fourth Proportional to 341,641.20, 512,461.80 and 229,666.80

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Solution

The fourth proportional to 341,641.20, 512,461.80 and 229,666.80 is: 344,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,641.20 : 512,461.80 = 229,666.80 : x
  2. Step 2: Convert to fraction form
    341,641.20/512,461.80 = 229,666.80/x
  3. Step 3: Cross multiply
    341,641.20x = 512,461.80 × 229,666.80
  4. Step 4: Simplify right side
    341,641.20x = 117,695,461,728.24
  5. Step 5: Solve for x
    x = 117,695,461,728.24/341,641.20
  6. Step 6: Final answer
    x = 344,500.20

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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.