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Finding the Fourth Proportional to 501,626.32, 692,264.28 and 275,279.92

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Solution

The fourth proportional to 501,626.32, 692,264.28 and 275,279.92 is: 379,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,626.32 : 692,264.28 = 275,279.92 : x
  2. Step 2: Convert to fraction form
    501,626.32/692,264.28 = 275,279.92/x
  3. Step 3: Cross multiply
    501,626.32x = 692,264.28 × 275,279.92
  4. Step 4: Simplify right side
    501,626.32x = 190,566,455,617.26
  5. Step 5: Solve for x
    x = 190,566,455,617.26/501,626.32
  6. Step 6: Final answer
    x = 379,897.24

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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.