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Finding the Fourth Proportional to 415,247.70, 573,041.66 and 224,261.12

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Solution

The fourth proportional to 415,247.70, 573,041.66 and 224,261.12 is: 309,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,247.70 : 573,041.66 = 224,261.12 : x
  2. Step 2: Convert to fraction form
    415,247.70/573,041.66 = 224,261.12/x
  3. Step 3: Cross multiply
    415,247.70x = 573,041.66 × 224,261.12
  4. Step 4: Simplify right side
    415,247.70x = 128,510,964,478.26
  5. Step 5: Solve for x
    x = 128,510,964,478.26/415,247.70
  6. Step 6: Final answer
    x = 309,480.26

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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.