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Finding the Fourth Proportional to 623,656.44, 935,471.70 and 249,579

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Solution

The fourth proportional to 623,656.44, 935,471.70 and 249,579 is: 374,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,656.44 : 935,471.70 = 249,579 : x
  2. Step 2: Convert to fraction form
    623,656.44/935,471.70 = 249,579/x
  3. Step 3: Cross multiply
    623,656.44x = 935,471.70 × 249,579
  4. Step 4: Simplify right side
    623,656.44x = 233,474,091,414.30
  5. Step 5: Solve for x
    x = 233,474,091,414.30/623,656.44
  6. Step 6: Final answer
    x = 374,363.31

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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.