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Finding the Fourth Proportional to 296,460.80, 445,134.03 and 292,032.12

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Solution

The fourth proportional to 296,460.80, 445,134.03 and 292,032.12 is: 438,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,460.80 : 445,134.03 = 292,032.12 : x
  2. Step 2: Convert to fraction form
    296,460.80/445,134.03 = 292,032.12/x
  3. Step 3: Cross multiply
    296,460.80x = 445,134.03 × 292,032.12
  4. Step 4: Simplify right side
    296,460.80x = 129,993,434,465.04
  5. Step 5: Solve for x
    x = 129,993,434,465.04/296,460.80
  6. Step 6: Final answer
    x = 438,484.39

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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.