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Finding the Fourth Proportional to 302,564.70, 453,847.05 and 169,854.30

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Solution

The fourth proportional to 302,564.70, 453,847.05 and 169,854.30 is: 254,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,564.70 : 453,847.05 = 169,854.30 : x
  2. Step 2: Convert to fraction form
    302,564.70/453,847.05 = 169,854.30/x
  3. Step 3: Cross multiply
    302,564.70x = 453,847.05 × 169,854.30
  4. Step 4: Simplify right side
    302,564.70x = 77,087,872,984.82
  5. Step 5: Solve for x
    x = 77,087,872,984.82/302,564.70
  6. Step 6: Final answer
    x = 254,781.45

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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.