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Finding the Fourth Proportional to 303,532.61, 418,875.62 and 167,566.75

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Solution

The fourth proportional to 303,532.61, 418,875.62 and 167,566.75 is: 231,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,532.61 : 418,875.62 = 167,566.75 : x
  2. Step 2: Convert to fraction form
    303,532.61/418,875.62 = 167,566.75/x
  3. Step 3: Cross multiply
    303,532.61x = 418,875.62 × 167,566.75
  4. Step 4: Simplify right side
    303,532.61x = 70,189,624,412.61
  5. Step 5: Solve for x
    x = 70,189,624,412.61/303,532.61
  6. Step 6: Final answer
    x = 231,242.45

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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.