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Finding the Fourth Proportional to 738,254.40, 1,034,256 and 738,254.40

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Solution

The fourth proportional to 738,254.40, 1,034,256 and 738,254.40 is: 1,034,256

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,254.40 : 1,034,256 = 738,254.40 : x
  2. Step 2: Convert to fraction form
    738,254.40/1,034,256 = 738,254.40/x
  3. Step 3: Cross multiply
    738,254.40x = 1,034,256 × 738,254.40
  4. Step 4: Simplify right side
    738,254.40x = 763,544,042,726.40
  5. Step 5: Solve for x
    x = 763,544,042,726.40/738,254.40
  6. Step 6: Final answer
    x = 1,034,256

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.