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Finding the Fourth Proportional to 562,249.16, 775,904.35 and 307,600.35

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Solution

The fourth proportional to 562,249.16, 775,904.35 and 307,600.35 is: 424,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,249.16 : 775,904.35 = 307,600.35 : x
  2. Step 2: Convert to fraction form
    562,249.16/775,904.35 = 307,600.35/x
  3. Step 3: Cross multiply
    562,249.16x = 775,904.35 × 307,600.35
  4. Step 4: Simplify right side
    562,249.16x = 238,668,448,913.44
  5. Step 5: Solve for x
    x = 238,668,448,913.44/562,249.16
  6. Step 6: Final answer
    x = 424,488.76

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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.