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Finding the Fourth Proportional to 357,210.06, 535,908.46 and 207,306.25

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Solution

The fourth proportional to 357,210.06, 535,908.46 and 207,306.25 is: 311,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,210.06 : 535,908.46 = 207,306.25 : x
  2. Step 2: Convert to fraction form
    357,210.06/535,908.46 = 207,306.25/x
  3. Step 3: Cross multiply
    357,210.06x = 535,908.46 × 207,306.25
  4. Step 4: Simplify right side
    357,210.06x = 111,097,173,185.88
  5. Step 5: Solve for x
    x = 111,097,173,185.88/357,210.06
  6. Step 6: Final answer
    x = 311,013.56

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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.