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Finding the Fourth Proportional to 1,144,528, 1,717,098.18 and 396,574

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Solution

The fourth proportional to 1,144,528, 1,717,098.18 and 396,574 is: 594,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,528 : 1,717,098.18 = 396,574 : x
  2. Step 2: Convert to fraction form
    1,144,528/1,717,098.18 = 396,574/x
  3. Step 3: Cross multiply
    1,144,528x = 1,717,098.18 × 396,574
  4. Step 4: Simplify right side
    1,144,528x = 680,956,493,635.32
  5. Step 5: Solve for x
    x = 680,956,493,635.32/1,144,528
  6. Step 6: Final answer
    x = 594,967.09

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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.