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Finding the Fourth Proportional to 508,750.02, 701,932.77 and 317,957.22

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Solution

The fourth proportional to 508,750.02, 701,932.77 and 317,957.22 is: 438,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,750.02 : 701,932.77 = 317,957.22 : x
  2. Step 2: Convert to fraction form
    508,750.02/701,932.77 = 317,957.22/x
  3. Step 3: Cross multiply
    508,750.02x = 701,932.77 × 317,957.22
  4. Step 4: Simplify right side
    508,750.02x = 223,184,592,176.10
  5. Step 5: Solve for x
    x = 223,184,592,176.10/508,750.02
  6. Step 6: Final answer
    x = 438,692.06

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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.