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Finding the Fourth Proportional to 610,315.65, 842,068.76 and 365,201.75

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Solution

The fourth proportional to 610,315.65, 842,068.76 and 365,201.75 is: 503,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,315.65 : 842,068.76 = 365,201.75 : x
  2. Step 2: Convert to fraction form
    610,315.65/842,068.76 = 365,201.75/x
  3. Step 3: Cross multiply
    610,315.65x = 842,068.76 × 365,201.75
  4. Step 4: Simplify right side
    610,315.65x = 307,524,978,735.98
  5. Step 5: Solve for x
    x = 307,524,978,735.98/610,315.65
  6. Step 6: Final answer
    x = 503,878.57

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1.5x scale

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.