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Finding the Fourth Proportional to 652,988.55, 901,074.80 and 366,453.28

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Solution

The fourth proportional to 652,988.55, 901,074.80 and 366,453.28 is: 505,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,988.55 : 901,074.80 = 366,453.28 : x
  2. Step 2: Convert to fraction form
    652,988.55/901,074.80 = 366,453.28/x
  3. Step 3: Cross multiply
    652,988.55x = 901,074.80 × 366,453.28
  4. Step 4: Simplify right side
    652,988.55x = 330,201,815,966.52
  5. Step 5: Solve for x
    x = 330,201,815,966.52/652,988.55
  6. Step 6: Final answer
    x = 505,677.80

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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.