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Finding the Fourth Proportional to 376,709.10, 565,501.05 and 374,084.70

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Solution

The fourth proportional to 376,709.10, 565,501.05 and 374,084.70 is: 561,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,709.10 : 565,501.05 = 374,084.70 : x
  2. Step 2: Convert to fraction form
    376,709.10/565,501.05 = 374,084.70/x
  3. Step 3: Cross multiply
    376,709.10x = 565,501.05 × 374,084.70
  4. Step 4: Simplify right side
    376,709.10x = 211,545,290,638.94
  5. Step 5: Solve for x
    x = 211,545,290,638.94/376,709.10
  6. Step 6: Final answer
    x = 561,561.40

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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.