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Finding the Fourth Proportional to 838,810.88, 1,158,328.32 and 532,988

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Solution

The fourth proportional to 838,810.88, 1,158,328.32 and 532,988 is: 736,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,810.88 : 1,158,328.32 = 532,988 : x
  2. Step 2: Convert to fraction form
    838,810.88/1,158,328.32 = 532,988/x
  3. Step 3: Cross multiply
    838,810.88x = 1,158,328.32 × 532,988
  4. Step 4: Simplify right side
    838,810.88x = 617,375,094,620.16
  5. Step 5: Solve for x
    x = 617,375,094,620.16/838,810.88
  6. Step 6: Final answer
    x = 736,012.26

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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.