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Finding the Fourth Proportional to 438,366.88, 604,911.84 and 268,577.92

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Solution

The fourth proportional to 438,366.88, 604,911.84 and 268,577.92 is: 370,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,366.88 : 604,911.84 = 268,577.92 : x
  2. Step 2: Convert to fraction form
    438,366.88/604,911.84 = 268,577.92/x
  3. Step 3: Cross multiply
    438,366.88x = 604,911.84 × 268,577.92
  4. Step 4: Simplify right side
    438,366.88x = 162,465,963,770.57
  5. Step 5: Solve for x
    x = 162,465,963,770.57/438,366.88
  6. Step 6: Final answer
    x = 370,616.42

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1.5x scale

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.