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Finding the Fourth Proportional to 535,684.18, 739,253.18 and 293,989.25

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Solution

The fourth proportional to 535,684.18, 739,253.18 and 293,989.25 is: 405,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,684.18 : 739,253.18 = 293,989.25 : x
  2. Step 2: Convert to fraction form
    535,684.18/739,253.18 = 293,989.25/x
  3. Step 3: Cross multiply
    535,684.18x = 739,253.18 × 293,989.25
  4. Step 4: Simplify right side
    535,684.18x = 217,332,487,948.32
  5. Step 5: Solve for x
    x = 217,332,487,948.32/535,684.18
  6. Step 6: Final answer
    x = 405,710.11

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1.5x scale

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.