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Finding the Fourth Proportional to 619,340.32, 854,689.04 and 351,068.32

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Solution

The fourth proportional to 619,340.32, 854,689.04 and 351,068.32 is: 484,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,340.32 : 854,689.04 = 351,068.32 : x
  2. Step 2: Convert to fraction form
    619,340.32/854,689.04 = 351,068.32/x
  3. Step 3: Cross multiply
    619,340.32x = 854,689.04 × 351,068.32
  4. Step 4: Simplify right side
    619,340.32x = 300,054,245,395.21
  5. Step 5: Solve for x
    x = 300,054,245,395.21/619,340.32
  6. Step 6: Final answer
    x = 484,473.94

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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.