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Finding the Fourth Proportional to 540,316.01, 810,474.02 and 207,814.25

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Solution

The fourth proportional to 540,316.01, 810,474.02 and 207,814.25 is: 311,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,316.01 : 810,474.02 = 207,814.25 : x
  2. Step 2: Convert to fraction form
    540,316.01/810,474.02 = 207,814.25/x
  3. Step 3: Cross multiply
    540,316.01x = 810,474.02 × 207,814.25
  4. Step 4: Simplify right side
    540,316.01x = 168,428,050,610.79
  5. Step 5: Solve for x
    x = 168,428,050,610.79/540,316.01
  6. Step 6: Final answer
    x = 311,721.38

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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.