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Finding the Fourth Proportional to 610,899.14, 915,980.43 and 273,878.84

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Solution

The fourth proportional to 610,899.14, 915,980.43 and 273,878.84 is: 410,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,899.14 : 915,980.43 = 273,878.84 : x
  2. Step 2: Convert to fraction form
    610,899.14/915,980.43 = 273,878.84/x
  3. Step 3: Cross multiply
    610,899.14x = 915,980.43 × 273,878.84
  4. Step 4: Simplify right side
    610,899.14x = 250,867,657,631.10
  5. Step 5: Solve for x
    x = 250,867,657,631.10/610,899.14
  6. Step 6: Final answer
    x = 410,653.15

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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.