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Finding the Fourth Proportional to 560,758.06, 773,834.07 and 306,113.50

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Solution

The fourth proportional to 560,758.06, 773,834.07 and 306,113.50 is: 422,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,758.06 : 773,834.07 = 306,113.50 : x
  2. Step 2: Convert to fraction form
    560,758.06/773,834.07 = 306,113.50/x
  3. Step 3: Cross multiply
    560,758.06x = 773,834.07 × 306,113.50
  4. Step 4: Simplify right side
    560,758.06x = 236,881,055,586.95
  5. Step 5: Solve for x
    x = 236,881,055,586.95/560,758.06
  6. Step 6: Final answer
    x = 422,430.05

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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.