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Finding the Fourth Proportional to 623,872.80, 935,348.40 and 249,703.20

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Solution

The fourth proportional to 623,872.80, 935,348.40 and 249,703.20 is: 374,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,872.80 : 935,348.40 = 249,703.20 : x
  2. Step 2: Convert to fraction form
    623,872.80/935,348.40 = 249,703.20/x
  3. Step 3: Cross multiply
    623,872.80x = 935,348.40 × 249,703.20
  4. Step 4: Simplify right side
    623,872.80x = 233,559,488,594.88
  5. Step 5: Solve for x
    x = 233,559,488,594.88/623,872.80
  6. Step 6: Final answer
    x = 374,370.37

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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.