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Finding the Fourth Proportional to 599,421.06, 899,575.20 and 283,878.72

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Solution

The fourth proportional to 599,421.06, 899,575.20 and 283,878.72 is: 426,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,421.06 : 899,575.20 = 283,878.72 : x
  2. Step 2: Convert to fraction form
    599,421.06/899,575.20 = 283,878.72/x
  3. Step 3: Cross multiply
    599,421.06x = 899,575.20 × 283,878.72
  4. Step 4: Simplify right side
    599,421.06x = 255,370,256,319.74
  5. Step 5: Solve for x
    x = 255,370,256,319.74/599,421.06
  6. Step 6: Final answer
    x = 426,028.17

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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.