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Finding the Fourth Proportional to 1,078,382, 1,488,167.16 and 601,454

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Solution

The fourth proportional to 1,078,382, 1,488,167.16 and 601,454 is: 830,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,382 : 1,488,167.16 = 601,454 : x
  2. Step 2: Convert to fraction form
    1,078,382/1,488,167.16 = 601,454/x
  3. Step 3: Cross multiply
    1,078,382x = 1,488,167.16 × 601,454
  4. Step 4: Simplify right side
    1,078,382x = 895,064,091,050.64
  5. Step 5: Solve for x
    x = 895,064,091,050.64/1,078,382
  6. Step 6: Final answer
    x = 830,006.52

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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.