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Finding the Fourth Proportional to 1,078,182, 1,617,101.46 and 358,464

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Solution

The fourth proportional to 1,078,182, 1,617,101.46 and 358,464 is: 537,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,182 : 1,617,101.46 = 358,464 : x
  2. Step 2: Convert to fraction form
    1,078,182/1,617,101.46 = 358,464/x
  3. Step 3: Cross multiply
    1,078,182x = 1,617,101.46 × 358,464
  4. Step 4: Simplify right side
    1,078,182x = 579,672,657,757.44
  5. Step 5: Solve for x
    x = 579,672,657,757.44/1,078,182
  6. Step 6: Final answer
    x = 537,638.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.