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Finding the Fourth Proportional to 442,800.06, 611,019.82 and 259,011.60

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Solution

The fourth proportional to 442,800.06, 611,019.82 and 259,011.60 is: 357,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,800.06 : 611,019.82 = 259,011.60 : x
  2. Step 2: Convert to fraction form
    442,800.06/611,019.82 = 259,011.60/x
  3. Step 3: Cross multiply
    442,800.06x = 611,019.82 × 259,011.60
  4. Step 4: Simplify right side
    442,800.06x = 158,261,221,209.91
  5. Step 5: Solve for x
    x = 158,261,221,209.91/442,800.06
  6. Step 6: Final answer
    x = 357,410.12

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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.