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Finding the Fourth Proportional to 426,670.28, 588,798.88 and 233,075.69

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Solution

The fourth proportional to 426,670.28, 588,798.88 and 233,075.69 is: 321,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,670.28 : 588,798.88 = 233,075.69 : x
  2. Step 2: Convert to fraction form
    426,670.28/588,798.88 = 233,075.69/x
  3. Step 3: Cross multiply
    426,670.28x = 588,798.88 × 233,075.69
  4. Step 4: Simplify right side
    426,670.28x = 137,234,706,116.54
  5. Step 5: Solve for x
    x = 137,234,706,116.54/426,670.28
  6. Step 6: Final answer
    x = 321,641.12

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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.