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Finding the Fourth Proportional to 832,592.88, 1,148,978.16 and 450,619.68

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Solution

The fourth proportional to 832,592.88, 1,148,978.16 and 450,619.68 is: 621,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,592.88 : 1,148,978.16 = 450,619.68 : x
  2. Step 2: Convert to fraction form
    832,592.88/1,148,978.16 = 450,619.68/x
  3. Step 3: Cross multiply
    832,592.88x = 1,148,978.16 × 450,619.68
  4. Step 4: Simplify right side
    832,592.88x = 517,752,170,786.19
  5. Step 5: Solve for x
    x = 517,752,170,786.19/832,592.88
  6. Step 6: Final answer
    x = 621,855.15

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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.