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Finding the Fourth Proportional to 606,005.20, 908,230.20 and 465,065.20

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Solution

The fourth proportional to 606,005.20, 908,230.20 and 465,065.20 is: 697,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,005.20 : 908,230.20 = 465,065.20 : x
  2. Step 2: Convert to fraction form
    606,005.20/908,230.20 = 465,065.20/x
  3. Step 3: Cross multiply
    606,005.20x = 908,230.20 × 465,065.20
  4. Step 4: Simplify right side
    606,005.20x = 422,386,259,609.04
  5. Step 5: Solve for x
    x = 422,386,259,609.04/606,005.20
  6. Step 6: Final answer
    x = 697,001.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.