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Finding the Fourth Proportional to 472,255.84, 651,713.30 and 268,307.11

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Solution

The fourth proportional to 472,255.84, 651,713.30 and 268,307.11 is: 370,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,255.84 : 651,713.30 = 268,307.11 : x
  2. Step 2: Convert to fraction form
    472,255.84/651,713.30 = 268,307.11/x
  3. Step 3: Cross multiply
    472,255.84x = 651,713.30 × 268,307.11
  4. Step 4: Simplify right side
    472,255.84x = 174,859,312,071.56
  5. Step 5: Solve for x
    x = 174,859,312,071.56/472,255.84
  6. Step 6: Final answer
    x = 370,263.95

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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.