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Finding the Fourth Proportional to 473,987.40, 654,104.92 and 259,127.46

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Solution

The fourth proportional to 473,987.40, 654,104.92 and 259,127.46 is: 357,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,987.40 : 654,104.92 = 259,127.46 : x
  2. Step 2: Convert to fraction form
    473,987.40/654,104.92 = 259,127.46/x
  3. Step 3: Cross multiply
    473,987.40x = 654,104.92 × 259,127.46
  4. Step 4: Simplify right side
    473,987.40x = 169,496,548,450.75
  5. Step 5: Solve for x
    x = 169,496,548,450.75/473,987.40
  6. Step 6: Final answer
    x = 357,597.16

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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.