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Finding the Fourth Proportional to 540,867.80, 811,301.70 and 241,347.80

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Solution

The fourth proportional to 540,867.80, 811,301.70 and 241,347.80 is: 362,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,867.80 : 811,301.70 = 241,347.80 : x
  2. Step 2: Convert to fraction form
    540,867.80/811,301.70 = 241,347.80/x
  3. Step 3: Cross multiply
    540,867.80x = 811,301.70 × 241,347.80
  4. Step 4: Simplify right side
    540,867.80x = 195,805,880,431.26
  5. Step 5: Solve for x
    x = 195,805,880,431.26/540,867.80
  6. Step 6: Final answer
    x = 362,021.70

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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.