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Finding the Fourth Proportional to 631,464.84, 942,590.76 and 551,747.88

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Solution

The fourth proportional to 631,464.84, 942,590.76 and 551,747.88 is: 823,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,464.84 : 942,590.76 = 551,747.88 : x
  2. Step 2: Convert to fraction form
    631,464.84/942,590.76 = 551,747.88/x
  3. Step 3: Cross multiply
    631,464.84x = 942,590.76 × 551,747.88
  4. Step 4: Simplify right side
    631,464.84x = 520,072,453,537.59
  5. Step 5: Solve for x
    x = 520,072,453,537.59/631,464.84
  6. Step 6: Final answer
    x = 823,596.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.