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Finding the Fourth Proportional to 473,999.61, 654,119.41 and 259,139.62

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Solution

The fourth proportional to 473,999.61, 654,119.41 and 259,139.62 is: 357,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,999.61 : 654,119.41 = 259,139.62 : x
  2. Step 2: Convert to fraction form
    473,999.61/654,119.41 = 259,139.62/x
  3. Step 3: Cross multiply
    473,999.61x = 654,119.41 × 259,139.62
  4. Step 4: Simplify right side
    473,999.61x = 169,508,255,342.02
  5. Step 5: Solve for x
    x = 169,508,255,342.02/473,999.61
  6. Step 6: Final answer
    x = 357,612.65

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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.