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Finding the Fourth Proportional to 334,816.66, 502,225 and 147,790.90

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Solution

The fourth proportional to 334,816.66, 502,225 and 147,790.90 is: 221,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,816.66 : 502,225 = 147,790.90 : x
  2. Step 2: Convert to fraction form
    334,816.66/502,225 = 147,790.90/x
  3. Step 3: Cross multiply
    334,816.66x = 502,225 × 147,790.90
  4. Step 4: Simplify right side
    334,816.66x = 74,224,284,752.50
  5. Step 5: Solve for x
    x = 74,224,284,752.50/334,816.66
  6. Step 6: Final answer
    x = 221,686.35

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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.