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Finding the Fourth Proportional to 607,430.44, 912,082.04 and 513,889.72

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Solution

The fourth proportional to 607,430.44, 912,082.04 and 513,889.72 is: 771,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,430.44 : 912,082.04 = 513,889.72 : x
  2. Step 2: Convert to fraction form
    607,430.44/912,082.04 = 513,889.72/x
  3. Step 3: Cross multiply
    607,430.44x = 912,082.04 × 513,889.72
  4. Step 4: Simplify right side
    607,430.44x = 468,709,581,230.06
  5. Step 5: Solve for x
    x = 468,709,581,230.06/607,430.44
  6. Step 6: Final answer
    x = 771,626.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.