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Finding the Fourth Proportional to 1,251,990.96, 1,877,952.96 and 353,494.32

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Solution

The fourth proportional to 1,251,990.96, 1,877,952.96 and 353,494.32 is: 530,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,990.96 : 1,877,952.96 = 353,494.32 : x
  2. Step 2: Convert to fraction form
    1,251,990.96/1,877,952.96 = 353,494.32/x
  3. Step 3: Cross multiply
    1,251,990.96x = 1,877,952.96 × 353,494.32
  4. Step 4: Simplify right side
    1,251,990.96x = 663,845,704,587.19
  5. Step 5: Solve for x
    x = 663,845,704,587.19/1,251,990.96
  6. Step 6: Final answer
    x = 530,232.03

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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.