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Finding the Fourth Proportional to 610,091.52, 915,213.84 and 183,560.91

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Solution

The fourth proportional to 610,091.52, 915,213.84 and 183,560.91 is: 275,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,091.52 : 915,213.84 = 183,560.91 : x
  2. Step 2: Convert to fraction form
    610,091.52/915,213.84 = 183,560.91/x
  3. Step 3: Cross multiply
    610,091.52x = 915,213.84 × 183,560.91
  4. Step 4: Simplify right side
    610,091.52x = 167,997,485,314.99
  5. Step 5: Solve for x
    x = 167,997,485,314.99/610,091.52
  6. Step 6: Final answer
    x = 275,364.40

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1.5x scale

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.