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Finding the Fourth Proportional to 543,503.17, 750,019.96 and 301,779.52

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Solution

The fourth proportional to 543,503.17, 750,019.96 and 301,779.52 is: 416,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,503.17 : 750,019.96 = 301,779.52 : x
  2. Step 2: Convert to fraction form
    543,503.17/750,019.96 = 301,779.52/x
  3. Step 3: Cross multiply
    543,503.17x = 750,019.96 × 301,779.52
  4. Step 4: Simplify right side
    543,503.17x = 226,340,664,542.75
  5. Step 5: Solve for x
    x = 226,340,664,542.75/543,503.17
  6. Step 6: Final answer
    x = 416,447.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.