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Finding the Fourth Proportional to 453,174.48, 625,411.35 and 299,948.67

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Solution

The fourth proportional to 453,174.48, 625,411.35 and 299,948.67 is: 413,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,174.48 : 625,411.35 = 299,948.67 : x
  2. Step 2: Convert to fraction form
    453,174.48/625,411.35 = 299,948.67/x
  3. Step 3: Cross multiply
    453,174.48x = 625,411.35 × 299,948.67
  4. Step 4: Simplify right side
    453,174.48x = 187,591,302,635.40
  5. Step 5: Solve for x
    x = 187,591,302,635.40/453,174.48
  6. Step 6: Final answer
    x = 413,949.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.