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Finding the Fourth Proportional to 374,800.88, 562,276.56 and 138,144.80

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Solution

The fourth proportional to 374,800.88, 562,276.56 and 138,144.80 is: 207,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,800.88 : 562,276.56 = 138,144.80 : x
  2. Step 2: Convert to fraction form
    374,800.88/562,276.56 = 138,144.80/x
  3. Step 3: Cross multiply
    374,800.88x = 562,276.56 × 138,144.80
  4. Step 4: Simplify right side
    374,800.88x = 77,675,582,925.89
  5. Step 5: Solve for x
    x = 77,675,582,925.89/374,800.88
  6. Step 6: Final answer
    x = 207,244.93

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1.5x scale

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.