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Finding the Fourth Proportional to 473,287.42, 653,137.44 and 258,422.90

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Solution

The fourth proportional to 473,287.42, 653,137.44 and 258,422.90 is: 356,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,287.42 : 653,137.44 = 258,422.90 : x
  2. Step 2: Convert to fraction form
    473,287.42/653,137.44 = 258,422.90/x
  3. Step 3: Cross multiply
    473,287.42x = 653,137.44 × 258,422.90
  4. Step 4: Simplify right side
    473,287.42x = 168,785,671,343.38
  5. Step 5: Solve for x
    x = 168,785,671,343.38/473,287.42
  6. Step 6: Final answer
    x = 356,624.04

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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.