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Finding the Fourth Proportional to 593,355.81, 890,618.47 and 422,767.02

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Solution

The fourth proportional to 593,355.81, 890,618.47 and 422,767.02 is: 634,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,355.81 : 890,618.47 = 422,767.02 : x
  2. Step 2: Convert to fraction form
    593,355.81/890,618.47 = 422,767.02/x
  3. Step 3: Cross multiply
    593,355.81x = 890,618.47 × 422,767.02
  4. Step 4: Simplify right side
    593,355.81x = 376,524,115,461.94
  5. Step 5: Solve for x
    x = 376,524,115,461.94/593,355.81
  6. Step 6: Final answer
    x = 634,567.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.