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Finding the Fourth Proportional to 356,810.85, 535,046.67 and 207,097.02

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Solution

The fourth proportional to 356,810.85, 535,046.67 and 207,097.02 is: 310,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,810.85 : 535,046.67 = 207,097.02 : x
  2. Step 2: Convert to fraction form
    356,810.85/535,046.67 = 207,097.02/x
  3. Step 3: Cross multiply
    356,810.85x = 535,046.67 × 207,097.02
  4. Step 4: Simplify right side
    356,810.85x = 110,806,570,917.92
  5. Step 5: Solve for x
    x = 110,806,570,917.92/356,810.85
  6. Step 6: Final answer
    x = 310,547.09

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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.