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Finding the Fourth Proportional to 516,854.05, 775,511.48 and 236,226.85

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Solution

The fourth proportional to 516,854.05, 775,511.48 and 236,226.85 is: 354,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,854.05 : 775,511.48 = 236,226.85 : x
  2. Step 2: Convert to fraction form
    516,854.05/775,511.48 = 236,226.85/x
  3. Step 3: Cross multiply
    516,854.05x = 775,511.48 × 236,226.85
  4. Step 4: Simplify right side
    516,854.05x = 183,196,632,878.10
  5. Step 5: Solve for x
    x = 183,196,632,878.10/516,854.05
  6. Step 6: Final answer
    x = 354,445.58

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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.