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Finding the Fourth Proportional to 562,987.53, 776,922.39 and 304,864.38

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Solution

The fourth proportional to 562,987.53, 776,922.39 and 304,864.38 is: 420,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,987.53 : 776,922.39 = 304,864.38 : x
  2. Step 2: Convert to fraction form
    562,987.53/776,922.39 = 304,864.38/x
  3. Step 3: Cross multiply
    562,987.53x = 776,922.39 × 304,864.38
  4. Step 4: Simplify right side
    562,987.53x = 236,855,962,735.47
  5. Step 5: Solve for x
    x = 236,855,962,735.47/562,987.53
  6. Step 6: Final answer
    x = 420,712.63

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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.