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Finding the Fourth Proportional to 514,538.10, 771,807.15 and 234,055.35

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Solution

The fourth proportional to 514,538.10, 771,807.15 and 234,055.35 is: 351,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,538.10 : 771,807.15 = 234,055.35 : x
  2. Step 2: Convert to fraction form
    514,538.10/771,807.15 = 234,055.35/x
  3. Step 3: Cross multiply
    514,538.10x = 771,807.15 × 234,055.35
  4. Step 4: Simplify right side
    514,538.10x = 180,645,592,625.75
  5. Step 5: Solve for x
    x = 180,645,592,625.75/514,538.10
  6. Step 6: Final answer
    x = 351,083.03

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Similar ratio
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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.