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Finding the Fourth Proportional to 540,318.01, 810,477.02 and 207,816.25

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Solution

The fourth proportional to 540,318.01, 810,477.02 and 207,816.25 is: 311,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,318.01 : 810,477.02 = 207,816.25 : x
  2. Step 2: Convert to fraction form
    540,318.01/810,477.02 = 207,816.25/x
  3. Step 3: Cross multiply
    540,318.01x = 810,477.02 × 207,816.25
  4. Step 4: Simplify right side
    540,318.01x = 168,430,295,007.58
  5. Step 5: Solve for x
    x = 168,430,295,007.58/540,318.01
  6. Step 6: Final answer
    x = 311,724.38

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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.