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Finding the Fourth Proportional to 514,485.23, 771,757.01 and 159,549.71

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Solution

The fourth proportional to 514,485.23, 771,757.01 and 159,549.71 is: 239,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,485.23 : 771,757.01 = 159,549.71 : x
  2. Step 2: Convert to fraction form
    514,485.23/771,757.01 = 159,549.71/x
  3. Step 3: Cross multiply
    514,485.23x = 771,757.01 × 159,549.71
  4. Step 4: Simplify right side
    514,485.23x = 123,133,602,479.43
  5. Step 5: Solve for x
    x = 123,133,602,479.43/514,485.23
  6. Step 6: Final answer
    x = 239,333.60

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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.