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Finding the Fourth Proportional to 472,962.61, 652,702.35 and 258,116.59

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Solution

The fourth proportional to 472,962.61, 652,702.35 and 258,116.59 is: 356,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,962.61 : 652,702.35 = 258,116.59 : x
  2. Step 2: Convert to fraction form
    472,962.61/652,702.35 = 258,116.59/x
  3. Step 3: Cross multiply
    472,962.61x = 652,702.35 × 258,116.59
  4. Step 4: Simplify right side
    472,962.61x = 168,473,304,866.99
  5. Step 5: Solve for x
    x = 168,473,304,866.99/472,962.61
  6. Step 6: Final answer
    x = 356,208.51

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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.