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Finding the Fourth Proportional to 691,750.74, 955,060.19 and 433,981.13

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Solution

The fourth proportional to 691,750.74, 955,060.19 and 433,981.13 is: 599,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,750.74 : 955,060.19 = 433,981.13 : x
  2. Step 2: Convert to fraction form
    691,750.74/955,060.19 = 433,981.13/x
  3. Step 3: Cross multiply
    691,750.74x = 955,060.19 × 433,981.13
  4. Step 4: Simplify right side
    691,750.74x = 414,478,093,529.01
  5. Step 5: Solve for x
    x = 414,478,093,529.01/691,750.74
  6. Step 6: Final answer
    x = 599,172.61

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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.