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Finding the Fourth Proportional to 656,583.80, 984,908.10 and 341,655.80

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Solution

The fourth proportional to 656,583.80, 984,908.10 and 341,655.80 is: 512,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,583.80 : 984,908.10 = 341,655.80 : x
  2. Step 2: Convert to fraction form
    656,583.80/984,908.10 = 341,655.80/x
  3. Step 3: Cross multiply
    656,583.80x = 984,908.10 × 341,655.80
  4. Step 4: Simplify right side
    656,583.80x = 336,499,564,831.98
  5. Step 5: Solve for x
    x = 336,499,564,831.98/656,583.80
  6. Step 6: Final answer
    x = 512,500.56

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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.