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Finding the Fourth Proportional to 490,352, 735,528.04 and 157,928

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Solution

The fourth proportional to 490,352, 735,528.04 and 157,928 is: 236,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,352 : 735,528.04 = 157,928 : x
  2. Step 2: Convert to fraction form
    490,352/735,528.04 = 157,928/x
  3. Step 3: Cross multiply
    490,352x = 735,528.04 × 157,928
  4. Step 4: Simplify right side
    490,352x = 116,160,472,301.12
  5. Step 5: Solve for x
    x = 116,160,472,301.12/490,352
  6. Step 6: Final answer
    x = 236,892.01

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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.