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Finding the Fourth Proportional to 302,069.01, 416,915.61 and 230,320.83

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Solution

The fourth proportional to 302,069.01, 416,915.61 and 230,320.83 is: 317,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,069.01 : 416,915.61 = 230,320.83 : x
  2. Step 2: Convert to fraction form
    302,069.01/416,915.61 = 230,320.83/x
  3. Step 3: Cross multiply
    302,069.01x = 416,915.61 × 230,320.83
  4. Step 4: Simplify right side
    302,069.01x = 96,024,349,335.16
  5. Step 5: Solve for x
    x = 96,024,349,335.16/302,069.01
  6. Step 6: Final answer
    x = 317,888.78

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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.