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Finding the Fourth Proportional to 868,250.60, 1,301,339.10 and 362,810.60

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Solution

The fourth proportional to 868,250.60, 1,301,339.10 and 362,810.60 is: 543,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,250.60 : 1,301,339.10 = 362,810.60 : x
  2. Step 2: Convert to fraction form
    868,250.60/1,301,339.10 = 362,810.60/x
  3. Step 3: Cross multiply
    868,250.60x = 1,301,339.10 × 362,810.60
  4. Step 4: Simplify right side
    868,250.60x = 472,139,619,674.46
  5. Step 5: Solve for x
    x = 472,139,619,674.46/868,250.60
  6. Step 6: Final answer
    x = 543,782.66

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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.