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Finding the Fourth Proportional to 893,360.31, 1,233,003.31 and 511,387.10

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Solution

The fourth proportional to 893,360.31, 1,233,003.31 and 511,387.10 is: 705,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,360.31 : 1,233,003.31 = 511,387.10 : x
  2. Step 2: Convert to fraction form
    893,360.31/1,233,003.31 = 511,387.10/x
  3. Step 3: Cross multiply
    893,360.31x = 1,233,003.31 × 511,387.10
  4. Step 4: Simplify right side
    893,360.31x = 630,541,986,991.30
  5. Step 5: Solve for x
    x = 630,541,986,991.30/893,360.31
  6. Step 6: Final answer
    x = 705,809.27

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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.