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Finding the Fourth Proportional to 607,522.86, 838,346.81 and 362,783.79

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Solution

The fourth proportional to 607,522.86, 838,346.81 and 362,783.79 is: 500,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,522.86 : 838,346.81 = 362,783.79 : x
  2. Step 2: Convert to fraction form
    607,522.86/838,346.81 = 362,783.79/x
  3. Step 3: Cross multiply
    607,522.86x = 838,346.81 × 362,783.79
  4. Step 4: Simplify right side
    607,522.86x = 304,138,631,252.29
  5. Step 5: Solve for x
    x = 304,138,631,252.29/607,522.86
  6. Step 6: Final answer
    x = 500,620.88

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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.