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Finding the Fourth Proportional to 832,536, 1,148,899.68 and 450,565.56

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Solution

The fourth proportional to 832,536, 1,148,899.68 and 450,565.56 is: 621,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,536 : 1,148,899.68 = 450,565.56 : x
  2. Step 2: Convert to fraction form
    832,536/1,148,899.68 = 450,565.56/x
  3. Step 3: Cross multiply
    832,536x = 1,148,899.68 × 450,565.56
  4. Step 4: Simplify right side
    832,536x = 517,654,627,703.02
  5. Step 5: Solve for x
    x = 517,654,627,703.02/832,536
  6. Step 6: Final answer
    x = 621,780.47

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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.