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Finding the Fourth Proportional to 334,816.65, 502,224.99 and 147,790.89

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Solution

The fourth proportional to 334,816.65, 502,224.99 and 147,790.89 is: 221,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,816.65 : 502,224.99 = 147,790.89 : x
  2. Step 2: Convert to fraction form
    334,816.65/502,224.99 = 147,790.89/x
  3. Step 3: Cross multiply
    334,816.65x = 502,224.99 × 147,790.89
  4. Step 4: Simplify right side
    334,816.65x = 74,224,278,252.34
  5. Step 5: Solve for x
    x = 74,224,278,252.34/334,816.65
  6. Step 6: Final answer
    x = 221,686.34

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1.5x scale

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.