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Finding the Fourth Proportional to 369,109.70, 553,664.55 and 235,593.35

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Solution

The fourth proportional to 369,109.70, 553,664.55 and 235,593.35 is: 353,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,109.70 : 553,664.55 = 235,593.35 : x
  2. Step 2: Convert to fraction form
    369,109.70/553,664.55 = 235,593.35/x
  3. Step 3: Cross multiply
    369,109.70x = 553,664.55 × 235,593.35
  4. Step 4: Simplify right side
    369,109.70x = 130,439,686,110.74
  5. Step 5: Solve for x
    x = 130,439,686,110.74/369,109.70
  6. Step 6: Final answer
    x = 353,390.03

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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.