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Finding the Fourth Proportional to 583,011.00, 804,126.91 and 386,421.94

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Solution

The fourth proportional to 583,011.00, 804,126.91 and 386,421.94 is: 532,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,011.00 : 804,126.91 = 386,421.94 : x
  2. Step 2: Convert to fraction form
    583,011.00/804,126.91 = 386,421.94/x
  3. Step 3: Cross multiply
    583,011.00x = 804,126.91 × 386,421.94
  4. Step 4: Simplify right side
    583,011.00x = 310,732,274,615.66
  5. Step 5: Solve for x
    x = 310,732,274,615.66/583,011.00
  6. Step 6: Final answer
    x = 532,978.41

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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.