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Finding the Fourth Proportional to 559,633.84, 772,293.36 and 304,984.36

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Solution

The fourth proportional to 559,633.84, 772,293.36 and 304,984.36 is: 420,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,633.84 : 772,293.36 = 304,984.36 : x
  2. Step 2: Convert to fraction form
    559,633.84/772,293.36 = 304,984.36/x
  3. Step 3: Cross multiply
    559,633.84x = 772,293.36 × 304,984.36
  4. Step 4: Simplify right side
    559,633.84x = 235,537,396,131.85
  5. Step 5: Solve for x
    x = 235,537,396,131.85/559,633.84
  6. Step 6: Final answer
    x = 420,877.69

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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.