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Finding the Fourth Proportional to 677,974.07, 935,611.83 and 372,041.93

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Solution

The fourth proportional to 677,974.07, 935,611.83 and 372,041.93 is: 513,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,974.07 : 935,611.83 = 372,041.93 : x
  2. Step 2: Convert to fraction form
    677,974.07/935,611.83 = 372,041.93/x
  3. Step 3: Cross multiply
    677,974.07x = 935,611.83 × 372,041.93
  4. Step 4: Simplify right side
    677,974.07x = 348,086,833,303.06
  5. Step 5: Solve for x
    x = 348,086,833,303.06/677,974.07
  6. Step 6: Final answer
    x = 513,422.04

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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.