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Finding the Fourth Proportional to 302,029.40, 453,393.90 and 162,061.40

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Solution

The fourth proportional to 302,029.40, 453,393.90 and 162,061.40 is: 243,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,029.40 : 453,393.90 = 162,061.40 : x
  2. Step 2: Convert to fraction form
    302,029.40/453,393.90 = 162,061.40/x
  3. Step 3: Cross multiply
    302,029.40x = 453,393.90 × 162,061.40
  4. Step 4: Simplify right side
    302,029.40x = 73,477,650,185.46
  5. Step 5: Solve for x
    x = 73,477,650,185.46/302,029.40
  6. Step 6: Final answer
    x = 243,279.79

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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.