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Finding the Fourth Proportional to 526,085.84, 789,387.96 and 245,562.32

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Solution

The fourth proportional to 526,085.84, 789,387.96 and 245,562.32 is: 368,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,085.84 : 789,387.96 = 245,562.32 : x
  2. Step 2: Convert to fraction form
    526,085.84/789,387.96 = 245,562.32/x
  3. Step 3: Cross multiply
    526,085.84x = 789,387.96 × 245,562.32
  4. Step 4: Simplify right side
    526,085.84x = 193,843,938,837.67
  5. Step 5: Solve for x
    x = 193,843,938,837.67/526,085.84
  6. Step 6: Final answer
    x = 368,464.47

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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.