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Finding the Fourth Proportional to 633,564.32, 874,282.02 and 347,034.52

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Solution

The fourth proportional to 633,564.32, 874,282.02 and 347,034.52 is: 478,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,564.32 : 874,282.02 = 347,034.52 : x
  2. Step 2: Convert to fraction form
    633,564.32/874,282.02 = 347,034.52/x
  3. Step 3: Cross multiply
    633,564.32x = 874,282.02 × 347,034.52
  4. Step 4: Simplify right side
    633,564.32x = 303,406,041,155.33
  5. Step 5: Solve for x
    x = 303,406,041,155.33/633,564.32
  6. Step 6: Final answer
    x = 478,887.51

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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.