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Finding the Fourth Proportional to 619,037.58, 854,007.48 and 427,718.82

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Solution

The fourth proportional to 619,037.58, 854,007.48 and 427,718.82 is: 590,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,037.58 : 854,007.48 = 427,718.82 : x
  2. Step 2: Convert to fraction form
    619,037.58/854,007.48 = 427,718.82/x
  3. Step 3: Cross multiply
    619,037.58x = 854,007.48 × 427,718.82
  4. Step 4: Simplify right side
    619,037.58x = 365,275,071,616.77
  5. Step 5: Solve for x
    x = 365,275,071,616.77/619,037.58
  6. Step 6: Final answer
    x = 590,069.30

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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.