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Finding the Fourth Proportional to 651,891.57, 899,607.54 and 365,411.66

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Solution

The fourth proportional to 651,891.57, 899,607.54 and 365,411.66 is: 504,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,891.57 : 899,607.54 = 365,411.66 : x
  2. Step 2: Convert to fraction form
    651,891.57/899,607.54 = 365,411.66/x
  3. Step 3: Cross multiply
    651,891.57x = 899,607.54 × 365,411.66
  4. Step 4: Simplify right side
    651,891.57x = 328,727,080,041.88
  5. Step 5: Solve for x
    x = 328,727,080,041.88/651,891.57
  6. Step 6: Final answer
    x = 504,266.50

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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.