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Finding the Fourth Proportional to 465,366.90, 697,459.87 and 240,685.46

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Solution

The fourth proportional to 465,366.90, 697,459.87 and 240,685.46 is: 360,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,366.90 : 697,459.87 = 240,685.46 : x
  2. Step 2: Convert to fraction form
    465,366.90/697,459.87 = 240,685.46/x
  3. Step 3: Cross multiply
    465,366.90x = 697,459.87 × 240,685.46
  4. Step 4: Simplify right side
    465,366.90x = 167,868,447,717.67
  5. Step 5: Solve for x
    x = 167,868,447,717.67/465,366.90
  6. Step 6: Final answer
    x = 360,722.79

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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.