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Finding the Fourth Proportional to 627,036.16, 864,720.48 and 483,568.96

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Solution

The fourth proportional to 627,036.16, 864,720.48 and 483,568.96 is: 666,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,036.16 : 864,720.48 = 483,568.96 : x
  2. Step 2: Convert to fraction form
    627,036.16/864,720.48 = 483,568.96/x
  3. Step 3: Cross multiply
    627,036.16x = 864,720.48 × 483,568.96
  4. Step 4: Simplify right side
    627,036.16x = 418,151,983,204.30
  5. Step 5: Solve for x
    x = 418,151,983,204.30/627,036.16
  6. Step 6: Final answer
    x = 666,870.60

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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.