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Finding the Fourth Proportional to 675,460.10, 932,199.89 and 403,524.87

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Solution

The fourth proportional to 675,460.10, 932,199.89 and 403,524.87 is: 556,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,460.10 : 932,199.89 = 403,524.87 : x
  2. Step 2: Convert to fraction form
    675,460.10/932,199.89 = 403,524.87/x
  3. Step 3: Cross multiply
    675,460.10x = 932,199.89 × 403,524.87
  4. Step 4: Simplify right side
    675,460.10x = 376,165,839,426.26
  5. Step 5: Solve for x
    x = 376,165,839,426.26/675,460.10
  6. Step 6: Final answer
    x = 556,903.12

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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.