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Finding the Fourth Proportional to 407,792.88, 562,753.98 and 226,521.63

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Solution

The fourth proportional to 407,792.88, 562,753.98 and 226,521.63 is: 312,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,792.88 : 562,753.98 = 226,521.63 : x
  2. Step 2: Convert to fraction form
    407,792.88/562,753.98 = 226,521.63/x
  3. Step 3: Cross multiply
    407,792.88x = 562,753.98 × 226,521.63
  4. Step 4: Simplify right side
    407,792.88x = 127,475,948,838.59
  5. Step 5: Solve for x
    x = 127,475,948,838.59/407,792.88
  6. Step 6: Final answer
    x = 312,599.74

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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.