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Finding the Fourth Proportional to 473,422.32, 653,298.21 and 258,520.41

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Solution

The fourth proportional to 473,422.32, 653,298.21 and 258,520.41 is: 356,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,422.32 : 653,298.21 = 258,520.41 : x
  2. Step 2: Convert to fraction form
    473,422.32/653,298.21 = 258,520.41/x
  3. Step 3: Cross multiply
    473,422.32x = 653,298.21 × 258,520.41
  4. Step 4: Simplify right side
    473,422.32x = 168,890,921,101.47
  5. Step 5: Solve for x
    x = 168,890,921,101.47/473,422.32
  6. Step 6: Final answer
    x = 356,744.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.