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Finding the Fourth Proportional to 656,868.30, 984,913.65 and 341,940.30

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Solution

The fourth proportional to 656,868.30, 984,913.65 and 341,940.30 is: 512,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,868.30 : 984,913.65 = 341,940.30 : x
  2. Step 2: Convert to fraction form
    656,868.30/984,913.65 = 341,940.30/x
  3. Step 3: Cross multiply
    656,868.30x = 984,913.65 × 341,940.30
  4. Step 4: Simplify right side
    656,868.30x = 336,781,668,955.10
  5. Step 5: Solve for x
    x = 336,781,668,955.10/656,868.30
  6. Step 6: Final answer
    x = 512,708.06

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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.