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Finding the Fourth Proportional to 415,218.64, 573,001.72 and 224,232.02

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Solution

The fourth proportional to 415,218.64, 573,001.72 and 224,232.02 is: 309,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,218.64 : 573,001.72 = 224,232.02 : x
  2. Step 2: Convert to fraction form
    415,218.64/573,001.72 = 224,232.02/x
  3. Step 3: Cross multiply
    415,218.64x = 573,001.72 × 224,232.02
  4. Step 4: Simplify right side
    415,218.64x = 128,485,333,139.07
  5. Step 5: Solve for x
    x = 128,485,333,139.07/415,218.64
  6. Step 6: Final answer
    x = 309,440.19

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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.