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Finding the Fourth Proportional to 559,637.62, 772,277.39 and 304,983.34

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Solution

The fourth proportional to 559,637.62, 772,277.39 and 304,983.34 is: 420,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,637.62 : 772,277.39 = 304,983.34 : x
  2. Step 2: Convert to fraction form
    559,637.62/772,277.39 = 304,983.34/x
  3. Step 3: Cross multiply
    559,637.62x = 772,277.39 × 304,983.34
  4. Step 4: Simplify right side
    559,637.62x = 235,531,736,283.77
  5. Step 5: Solve for x
    x = 235,531,736,283.77/559,637.62
  6. Step 6: Final answer
    x = 420,864.73

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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.