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Finding the Fourth Proportional to 341,953.60, 512,008.80 and 247,950.40

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Solution

The fourth proportional to 341,953.60, 512,008.80 and 247,950.40 is: 371,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,953.60 : 512,008.80 = 247,950.40 : x
  2. Step 2: Convert to fraction form
    341,953.60/512,008.80 = 247,950.40/x
  3. Step 3: Cross multiply
    341,953.60x = 512,008.80 × 247,950.40
  4. Step 4: Simplify right side
    341,953.60x = 126,952,786,763.52
  5. Step 5: Solve for x
    x = 126,952,786,763.52/341,953.60
  6. Step 6: Final answer
    x = 371,257.35

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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.