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Finding the Fourth Proportional to 703,900.77, 972,184.96 and 477,152.61

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Solution

The fourth proportional to 703,900.77, 972,184.96 and 477,152.61 is: 659,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,900.77 : 972,184.96 = 477,152.61 : x
  2. Step 2: Convert to fraction form
    703,900.77/972,184.96 = 477,152.61/x
  3. Step 3: Cross multiply
    703,900.77x = 972,184.96 × 477,152.61
  4. Step 4: Simplify right side
    703,900.77x = 463,880,585,631.73
  5. Step 5: Solve for x
    x = 463,880,585,631.73/703,900.77
  6. Step 6: Final answer
    x = 659,014.18

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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.