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Finding the Fourth Proportional to 508,344.02, 701,533.42 and 307,101.14

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Solution

The fourth proportional to 508,344.02, 701,533.42 and 307,101.14 is: 423,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,344.02 : 701,533.42 = 307,101.14 : x
  2. Step 2: Convert to fraction form
    508,344.02/701,533.42 = 307,101.14/x
  3. Step 3: Cross multiply
    508,344.02x = 701,533.42 × 307,101.14
  4. Step 4: Simplify right side
    508,344.02x = 215,441,713,030.10
  5. Step 5: Solve for x
    x = 215,441,713,030.10/508,344.02
  6. Step 6: Final answer
    x = 423,810.85

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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.