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Finding the Fourth Proportional to 555,254.70, 833,213.74 and 510,082.21

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Solution

The fourth proportional to 555,254.70, 833,213.74 and 510,082.21 is: 765,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,254.70 : 833,213.74 = 510,082.21 : x
  2. Step 2: Convert to fraction form
    555,254.70/833,213.74 = 510,082.21/x
  3. Step 3: Cross multiply
    555,254.70x = 833,213.74 × 510,082.21
  4. Step 4: Simplify right side
    555,254.70x = 425,007,506,624.28
  5. Step 5: Solve for x
    x = 425,007,506,624.28/555,254.70
  6. Step 6: Final answer
    x = 765,428.03

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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.