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Finding the Fourth Proportional to 502,812.34, 754,216.54 and 203,289.32

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Solution

The fourth proportional to 502,812.34, 754,216.54 and 203,289.32 is: 304,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,812.34 : 754,216.54 = 203,289.32 : x
  2. Step 2: Convert to fraction form
    502,812.34/754,216.54 = 203,289.32/x
  3. Step 3: Cross multiply
    502,812.34x = 754,216.54 × 203,289.32
  4. Step 4: Simplify right side
    502,812.34x = 153,324,167,549.35
  5. Step 5: Solve for x
    x = 153,324,167,549.35/502,812.34
  6. Step 6: Final answer
    x = 304,933.18

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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.