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Finding the Fourth Proportional to 302,570.70, 453,856.05 and 190,596.30

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Solution

The fourth proportional to 302,570.70, 453,856.05 and 190,596.30 is: 285,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,570.70 : 453,856.05 = 190,596.30 : x
  2. Step 2: Convert to fraction form
    302,570.70/453,856.05 = 190,596.30/x
  3. Step 3: Cross multiply
    302,570.70x = 453,856.05 × 190,596.30
  4. Step 4: Simplify right side
    302,570.70x = 86,503,283,862.62
  5. Step 5: Solve for x
    x = 86,503,283,862.62/302,570.70
  6. Step 6: Final answer
    x = 285,894.45

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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.