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Finding the Fourth Proportional to 403,656, 557,062.56 and 224,808

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Solution

The fourth proportional to 403,656, 557,062.56 and 224,808 is: 310,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,656 : 557,062.56 = 224,808 : x
  2. Step 2: Convert to fraction form
    403,656/557,062.56 = 224,808/x
  3. Step 3: Cross multiply
    403,656x = 557,062.56 × 224,808
  4. Step 4: Simplify right side
    403,656x = 125,232,119,988.48
  5. Step 5: Solve for x
    x = 125,232,119,988.48/403,656
  6. Step 6: Final answer
    x = 310,244.66

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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.