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Finding the Fourth Proportional to 692,195.90, 955,228.50 and 386,269.02

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Solution

The fourth proportional to 692,195.90, 955,228.50 and 386,269.02 is: 533,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,195.90 : 955,228.50 = 386,269.02 : x
  2. Step 2: Convert to fraction form
    692,195.90/955,228.50 = 386,269.02/x
  3. Step 3: Cross multiply
    692,195.90x = 955,228.50 × 386,269.02
  4. Step 4: Simplify right side
    692,195.90x = 368,975,176,571.07
  5. Step 5: Solve for x
    x = 368,975,176,571.07/692,195.90
  6. Step 6: Final answer
    x = 533,050.22

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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.