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Finding the Fourth Proportional to 553,642.21, 830,552.75 and 233,842.15

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Solution

The fourth proportional to 553,642.21, 830,552.75 and 233,842.15 is: 350,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,642.21 : 830,552.75 = 233,842.15 : x
  2. Step 2: Convert to fraction form
    553,642.21/830,552.75 = 233,842.15/x
  3. Step 3: Cross multiply
    553,642.21x = 830,552.75 × 233,842.15
  4. Step 4: Simplify right side
    553,642.21x = 194,218,240,473.73
  5. Step 5: Solve for x
    x = 194,218,240,473.73/553,642.21
  6. Step 6: Final answer
    x = 350,801.00

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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.