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Finding the Fourth Proportional to 302,419.80, 453,875.74 and 292,578.30

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Solution

The fourth proportional to 302,419.80, 453,875.74 and 292,578.30 is: 439,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,419.80 : 453,875.74 = 292,578.30 : x
  2. Step 2: Convert to fraction form
    302,419.80/453,875.74 = 292,578.30/x
  3. Step 3: Cross multiply
    302,419.80x = 453,875.74 × 292,578.30
  4. Step 4: Simplify right side
    302,419.80x = 132,794,191,689.00
  5. Step 5: Solve for x
    x = 132,794,191,689.00/302,419.80
  6. Step 6: Final answer
    x = 439,105.48

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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.