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Finding the Fourth Proportional to 302,472.90, 453,190.95 and 197,237.70

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Solution

The fourth proportional to 302,472.90, 453,190.95 and 197,237.70 is: 295,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,472.90 : 453,190.95 = 197,237.70 : x
  2. Step 2: Convert to fraction form
    302,472.90/453,190.95 = 197,237.70/x
  3. Step 3: Cross multiply
    302,472.90x = 453,190.95 × 197,237.70
  4. Step 4: Simplify right side
    302,472.90x = 89,386,340,638.82
  5. Step 5: Solve for x
    x = 89,386,340,638.82/302,472.90
  6. Step 6: Final answer
    x = 295,518.51

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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.