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Finding the Fourth Proportional to 292,385.32, 403,589.05 and 171,482.49

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Solution

The fourth proportional to 292,385.32, 403,589.05 and 171,482.49 is: 236,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,385.32 : 403,589.05 = 171,482.49 : x
  2. Step 2: Convert to fraction form
    292,385.32/403,589.05 = 171,482.49/x
  3. Step 3: Cross multiply
    292,385.32x = 403,589.05 × 171,482.49
  4. Step 4: Simplify right side
    292,385.32x = 69,208,454,802.03
  5. Step 5: Solve for x
    x = 69,208,454,802.03/292,385.32
  6. Step 6: Final answer
    x = 236,702.91

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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.