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Finding the Fourth Proportional to 473,778.96, 653,796.36 and 258,921.60

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Solution

The fourth proportional to 473,778.96, 653,796.36 and 258,921.60 is: 357,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,778.96 : 653,796.36 = 258,921.60 : x
  2. Step 2: Convert to fraction form
    473,778.96/653,796.36 = 258,921.60/x
  3. Step 3: Cross multiply
    473,778.96x = 653,796.36 × 258,921.60
  4. Step 4: Simplify right side
    473,778.96x = 169,281,999,605.38
  5. Step 5: Solve for x
    x = 169,281,999,605.38/473,778.96
  6. Step 6: Final answer
    x = 357,301.64

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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.