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Finding the Fourth Proportional to 335,391.35, 502,913.91 and 98,703.32

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Solution

The fourth proportional to 335,391.35, 502,913.91 and 98,703.32 is: 148,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,391.35 : 502,913.91 = 98,703.32 : x
  2. Step 2: Convert to fraction form
    335,391.35/502,913.91 = 98,703.32/x
  3. Step 3: Cross multiply
    335,391.35x = 502,913.91 × 98,703.32
  4. Step 4: Simplify right side
    335,391.35x = 49,639,272,591.18
  5. Step 5: Solve for x
    x = 49,639,272,591.18/335,391.35
  6. Step 6: Final answer
    x = 148,004.03

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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.