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Finding the Fourth Proportional to 480,417.19, 720,655.50 and 160,597.83

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Solution

The fourth proportional to 480,417.19, 720,655.50 and 160,597.83 is: 240,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,417.19 : 720,655.50 = 160,597.83 : x
  2. Step 2: Convert to fraction form
    480,417.19/720,655.50 = 160,597.83/x
  3. Step 3: Cross multiply
    480,417.19x = 720,655.50 × 160,597.83
  4. Step 4: Simplify right side
    480,417.19x = 115,735,708,674.58
  5. Step 5: Solve for x
    x = 115,735,708,674.58/480,417.19
  6. Step 6: Final answer
    x = 240,906.68

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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.