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Finding the Fourth Proportional to 578,953.86, 799,000.65 and 364,277.94

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Solution

The fourth proportional to 578,953.86, 799,000.65 and 364,277.94 is: 502,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,953.86 : 799,000.65 = 364,277.94 : x
  2. Step 2: Convert to fraction form
    578,953.86/799,000.65 = 364,277.94/x
  3. Step 3: Cross multiply
    578,953.86x = 799,000.65 × 364,277.94
  4. Step 4: Simplify right side
    578,953.86x = 291,058,310,840.66
  5. Step 5: Solve for x
    x = 291,058,310,840.66/578,953.86
  6. Step 6: Final answer
    x = 502,731.45

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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.