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Finding the Fourth Proportional to 610,895.64, 915,975.12 and 273,875.28

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Solution

The fourth proportional to 610,895.64, 915,975.12 and 273,875.28 is: 410,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,895.64 : 915,975.12 = 273,875.28 : x
  2. Step 2: Convert to fraction form
    610,895.64/915,975.12 = 273,875.28/x
  3. Step 3: Cross multiply
    610,895.64x = 915,975.12 × 273,875.28
  4. Step 4: Simplify right side
    610,895.64x = 250,862,942,463.03
  5. Step 5: Solve for x
    x = 250,862,942,463.03/610,895.64
  6. Step 6: Final answer
    x = 410,647.79

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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.