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Finding the Fourth Proportional to 403,708.26, 557,117.40 and 224,860.26

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Solution

The fourth proportional to 403,708.26, 557,117.40 and 224,860.26 is: 310,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,708.26 : 557,117.40 = 224,860.26 : x
  2. Step 2: Convert to fraction form
    403,708.26/557,117.40 = 224,860.26/x
  3. Step 3: Cross multiply
    403,708.26x = 557,117.40 × 224,860.26
  4. Step 4: Simplify right side
    403,708.26x = 125,273,563,414.52
  5. Step 5: Solve for x
    x = 125,273,563,414.52/403,708.26
  6. Step 6: Final answer
    x = 310,307.16

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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.