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Finding the Fourth Proportional to 675,748.58, 932,441.02 and 403,759.01

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Solution

The fourth proportional to 675,748.58, 932,441.02 and 403,759.01 is: 557,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,748.58 : 932,441.02 = 403,759.01 : x
  2. Step 2: Convert to fraction form
    675,748.58/932,441.02 = 403,759.01/x
  3. Step 3: Cross multiply
    675,748.58x = 932,441.02 × 403,759.01
  4. Step 4: Simplify right side
    675,748.58x = 376,481,464,440.30
  5. Step 5: Solve for x
    x = 376,481,464,440.30/675,748.58
  6. Step 6: Final answer
    x = 557,132.46

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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.