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Finding the Fourth Proportional to 677,973.08, 935,604.33 and 372,051.74

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Solution

The fourth proportional to 677,973.08, 935,604.33 and 372,051.74 is: 513,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,973.08 : 935,604.33 = 372,051.74 : x
  2. Step 2: Convert to fraction form
    677,973.08/935,604.33 = 372,051.74/x
  3. Step 3: Cross multiply
    677,973.08x = 935,604.33 × 372,051.74
  4. Step 4: Simplify right side
    677,973.08x = 348,093,218,928.03
  5. Step 5: Solve for x
    x = 348,093,218,928.03/677,973.08
  6. Step 6: Final answer
    x = 513,432.21

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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.