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Finding the Fourth Proportional to 540,805.08, 811,145.65 and 141,484.39

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Solution

The fourth proportional to 540,805.08, 811,145.65 and 141,484.39 is: 212,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,805.08 : 811,145.65 = 141,484.39 : x
  2. Step 2: Convert to fraction form
    540,805.08/811,145.65 = 141,484.39/x
  3. Step 3: Cross multiply
    540,805.08x = 811,145.65 × 141,484.39
  4. Step 4: Simplify right side
    540,805.08x = 114,764,447,491.40
  5. Step 5: Solve for x
    x = 114,764,447,491.40/540,805.08
  6. Step 6: Final answer
    x = 212,210.37

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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.