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Finding the Fourth Proportional to 562,555.35, 776,320.89 and 304,426.77

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Solution

The fourth proportional to 562,555.35, 776,320.89 and 304,426.77 is: 420,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,555.35 : 776,320.89 = 304,426.77 : x
  2. Step 2: Convert to fraction form
    562,555.35/776,320.89 = 304,426.77/x
  3. Step 3: Cross multiply
    562,555.35x = 776,320.89 × 304,426.77
  4. Step 4: Simplify right side
    562,555.35x = 236,332,861,026.23
  5. Step 5: Solve for x
    x = 236,332,861,026.23/562,555.35
  6. Step 6: Final answer
    x = 420,105.97

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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.