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Finding the Fourth Proportional to 433,498.66, 598,028.55 and 280,585.97

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Solution

The fourth proportional to 433,498.66, 598,028.55 and 280,585.97 is: 387,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,498.66 : 598,028.55 = 280,585.97 : x
  2. Step 2: Convert to fraction form
    433,498.66/598,028.55 = 280,585.97/x
  3. Step 3: Cross multiply
    433,498.66x = 598,028.55 × 280,585.97
  4. Step 4: Simplify right side
    433,498.66x = 167,798,421,196.75
  5. Step 5: Solve for x
    x = 167,798,421,196.75/433,498.66
  6. Step 6: Final answer
    x = 387,079.45

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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.