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Finding the Fourth Proportional to 415,591.12, 573,518.37 and 224,604.06

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Solution

The fourth proportional to 415,591.12, 573,518.37 and 224,604.06 is: 309,955.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,591.12 : 573,518.37 = 224,604.06 : x
  2. Step 2: Convert to fraction form
    415,591.12/573,518.37 = 224,604.06/x
  3. Step 3: Cross multiply
    415,591.12x = 573,518.37 × 224,604.06
  4. Step 4: Simplify right side
    415,591.12x = 128,814,554,386.58
  5. Step 5: Solve for x
    x = 128,814,554,386.58/415,591.12
  6. Step 6: Final answer
    x = 309,955.02

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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.