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Finding the Fourth Proportional to 292,655.40, 438,644.28 and 134,552.04

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Solution

The fourth proportional to 292,655.40, 438,644.28 and 134,552.04 is: 201,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,655.40 : 438,644.28 = 134,552.04 : x
  2. Step 2: Convert to fraction form
    292,655.40/438,644.28 = 134,552.04/x
  3. Step 3: Cross multiply
    292,655.40x = 438,644.28 × 134,552.04
  4. Step 4: Simplify right side
    292,655.40x = 59,020,482,708.33
  5. Step 5: Solve for x
    x = 59,020,482,708.33/292,655.40
  6. Step 6: Final answer
    x = 201,672.28

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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.