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Finding the Fourth Proportional to 653,283.12, 901,555.99 and 362,916.67

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Solution

The fourth proportional to 653,283.12, 901,555.99 and 362,916.67 is: 500,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,283.12 : 901,555.99 = 362,916.67 : x
  2. Step 2: Convert to fraction form
    653,283.12/901,555.99 = 362,916.67/x
  3. Step 3: Cross multiply
    653,283.12x = 901,555.99 × 362,916.67
  4. Step 4: Simplify right side
    653,283.12x = 327,189,697,709.35
  5. Step 5: Solve for x
    x = 327,189,697,709.35/653,283.12
  6. Step 6: Final answer
    x = 500,839.05

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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.