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Finding the Fourth Proportional to 832,376.76, 1,148,682 and 450,407.52

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Solution

The fourth proportional to 832,376.76, 1,148,682 and 450,407.52 is: 621,563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,376.76 : 1,148,682 = 450,407.52 : x
  2. Step 2: Convert to fraction form
    832,376.76/1,148,682 = 450,407.52/x
  3. Step 3: Cross multiply
    832,376.76x = 1,148,682 × 450,407.52
  4. Step 4: Simplify right side
    832,376.76x = 517,375,010,888.64
  5. Step 5: Solve for x
    x = 517,375,010,888.64/832,376.76
  6. Step 6: Final answer
    x = 621,563.50

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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.