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Finding the Fourth Proportional to 415,373.63, 573,216.12 and 224,387.02

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Solution

The fourth proportional to 415,373.63, 573,216.12 and 224,387.02 is: 309,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,373.63 : 573,216.12 = 224,387.02 : x
  2. Step 2: Convert to fraction form
    415,373.63/573,216.12 = 224,387.02/x
  3. Step 3: Cross multiply
    415,373.63x = 573,216.12 × 224,387.02
  4. Step 4: Simplify right side
    415,373.63x = 128,622,254,246.89
  5. Step 5: Solve for x
    x = 128,622,254,246.89/415,373.63
  6. Step 6: Final answer
    x = 309,654.36

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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.