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Finding the Fourth Proportional to 528,932.52, 793,398.78 and 154,955.52

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Solution

The fourth proportional to 528,932.52, 793,398.78 and 154,955.52 is: 232,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,932.52 : 793,398.78 = 154,955.52 : x
  2. Step 2: Convert to fraction form
    528,932.52/793,398.78 = 154,955.52/x
  3. Step 3: Cross multiply
    528,932.52x = 793,398.78 × 154,955.52
  4. Step 4: Simplify right side
    528,932.52x = 122,941,520,522.27
  5. Step 5: Solve for x
    x = 122,941,520,522.27/528,932.52
  6. Step 6: Final answer
    x = 232,433.28

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Similar ratio
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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.