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Finding the Fourth Proportional to 292,484.80, 438,435.60 and 134,437.60

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Solution

The fourth proportional to 292,484.80, 438,435.60 and 134,437.60 is: 201,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,484.80 : 438,435.60 = 134,437.60 : x
  2. Step 2: Convert to fraction form
    292,484.80/438,435.60 = 134,437.60/x
  3. Step 3: Cross multiply
    292,484.80x = 438,435.60 × 134,437.60
  4. Step 4: Simplify right side
    292,484.80x = 58,942,229,818.56
  5. Step 5: Solve for x
    x = 58,942,229,818.56/292,484.80
  6. Step 6: Final answer
    x = 201,522.37

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1.5x scale

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.