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Finding the Fourth Proportional to 798,358.32, 1,099,863 and 556,202.88

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Solution

The fourth proportional to 798,358.32, 1,099,863 and 556,202.88 is: 766,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,358.32 : 1,099,863 = 556,202.88 : x
  2. Step 2: Convert to fraction form
    798,358.32/1,099,863 = 556,202.88/x
  3. Step 3: Cross multiply
    798,358.32x = 1,099,863 × 556,202.88
  4. Step 4: Simplify right side
    798,358.32x = 611,746,968,205.44
  5. Step 5: Solve for x
    x = 611,746,968,205.44/798,358.32
  6. Step 6: Final answer
    x = 766,256.14

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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.