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Finding the Fourth Proportional to 632,392.84, 872,680.28 and 360,548.29

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Solution

The fourth proportional to 632,392.84, 872,680.28 and 360,548.29 is: 497,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,392.84 : 872,680.28 = 360,548.29 : x
  2. Step 2: Convert to fraction form
    632,392.84/872,680.28 = 360,548.29/x
  3. Step 3: Cross multiply
    632,392.84x = 872,680.28 × 360,548.29
  4. Step 4: Simplify right side
    632,392.84x = 314,643,381,532.50
  5. Step 5: Solve for x
    x = 314,643,381,532.50/632,392.84
  6. Step 6: Final answer
    x = 497,544.18

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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.