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Finding the Fourth Proportional to 560,749.79, 773,824.76 and 319,027.16

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Solution

The fourth proportional to 560,749.79, 773,824.76 and 319,027.16 is: 440,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,749.79 : 773,824.76 = 319,027.16 : x
  2. Step 2: Convert to fraction form
    560,749.79/773,824.76 = 319,027.16/x
  3. Step 3: Cross multiply
    560,749.79x = 773,824.76 × 319,027.16
  4. Step 4: Simplify right side
    560,749.79x = 246,871,113,925.35
  5. Step 5: Solve for x
    x = 246,871,113,925.35/560,749.79
  6. Step 6: Final answer
    x = 440,251.82

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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.