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Finding the Fourth Proportional to 562,650.84, 776,471.94 and 308,001.42

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Solution

The fourth proportional to 562,650.84, 776,471.94 and 308,001.42 is: 425,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,650.84 : 776,471.94 = 308,001.42 : x
  2. Step 2: Convert to fraction form
    562,650.84/776,471.94 = 308,001.42/x
  3. Step 3: Cross multiply
    562,650.84x = 776,471.94 × 308,001.42
  4. Step 4: Simplify right side
    562,650.84x = 239,154,460,110.16
  5. Step 5: Solve for x
    x = 239,154,460,110.16/562,650.84
  6. Step 6: Final answer
    x = 425,049.50

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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.