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Finding the Fourth Proportional to 563,768.82, 845,837.55 and 208,808.82

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Solution

The fourth proportional to 563,768.82, 845,837.55 and 208,808.82 is: 313,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,768.82 : 845,837.55 = 208,808.82 : x
  2. Step 2: Convert to fraction form
    563,768.82/845,837.55 = 208,808.82/x
  3. Step 3: Cross multiply
    563,768.82x = 845,837.55 × 208,808.82
  4. Step 4: Simplify right side
    563,768.82x = 176,618,340,727.19
  5. Step 5: Solve for x
    x = 176,618,340,727.19/563,768.82
  6. Step 6: Final answer
    x = 313,281.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.