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Finding the Fourth Proportional to 562,873.68, 776,738.88 and 308,226.24

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Solution

The fourth proportional to 562,873.68, 776,738.88 and 308,226.24 is: 425,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,873.68 : 776,738.88 = 308,226.24 : x
  2. Step 2: Convert to fraction form
    562,873.68/776,738.88 = 308,226.24/x
  3. Step 3: Cross multiply
    562,873.68x = 776,738.88 × 308,226.24
  4. Step 4: Simplify right side
    562,873.68x = 239,411,304,444.21
  5. Step 5: Solve for x
    x = 239,411,304,444.21/562,873.68
  6. Step 6: Final answer
    x = 425,337.54

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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.