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Finding the Fourth Proportional to 514,552.88, 771,829.32 and 234,150.32

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Solution

The fourth proportional to 514,552.88, 771,829.32 and 234,150.32 is: 351,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,552.88 : 771,829.32 = 234,150.32 : x
  2. Step 2: Convert to fraction form
    514,552.88/771,829.32 = 234,150.32/x
  3. Step 3: Cross multiply
    514,552.88x = 771,829.32 × 234,150.32
  4. Step 4: Simplify right side
    514,552.88x = 180,724,082,263.38
  5. Step 5: Solve for x
    x = 180,724,082,263.38/514,552.88
  6. Step 6: Final answer
    x = 351,225.48

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Double scale
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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.