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Finding the Fourth Proportional to 304,593.76, 420,334.14 and 168,624.82

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Solution

The fourth proportional to 304,593.76, 420,334.14 and 168,624.82 is: 232,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,593.76 : 420,334.14 = 168,624.82 : x
  2. Step 2: Convert to fraction form
    304,593.76/420,334.14 = 168,624.82/x
  3. Step 3: Cross multiply
    304,593.76x = 420,334.14 × 168,624.82
  4. Step 4: Simplify right side
    304,593.76x = 70,878,768,697.35
  5. Step 5: Solve for x
    x = 70,878,768,697.35/304,593.76
  6. Step 6: Final answer
    x = 232,699.35

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1.5x scale

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.