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Finding the Fourth Proportional to 1,252,482.22, 1,878,729 and 532,638.46

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Solution

The fourth proportional to 1,252,482.22, 1,878,729 and 532,638.46 is: 798,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,482.22 : 1,878,729 = 532,638.46 : x
  2. Step 2: Convert to fraction form
    1,252,482.22/1,878,729 = 532,638.46/x
  3. Step 3: Cross multiply
    1,252,482.22x = 1,878,729 × 532,638.46
  4. Step 4: Simplify right side
    1,252,482.22x = 1,000,683,321,317.34
  5. Step 5: Solve for x
    x = 1,000,683,321,317.34/1,252,482.22
  6. Step 6: Final answer
    x = 798,960.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.