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Finding the Fourth Proportional to 335,164.62, 502,870.86 and 155,335.81

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Solution

The fourth proportional to 335,164.62, 502,870.86 and 155,335.81 is: 233,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,164.62 : 502,870.86 = 155,335.81 : x
  2. Step 2: Convert to fraction form
    335,164.62/502,870.86 = 155,335.81/x
  3. Step 3: Cross multiply
    335,164.62x = 502,870.86 × 155,335.81
  4. Step 4: Simplify right side
    335,164.62x = 78,113,852,363.50
  5. Step 5: Solve for x
    x = 78,113,852,363.50/335,164.62
  6. Step 6: Final answer
    x = 233,061.15

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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.