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Finding the Fourth Proportional to 516,895.52, 713,211.24 and 301,994.08

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Solution

The fourth proportional to 516,895.52, 713,211.24 and 301,994.08 is: 416,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,895.52 : 713,211.24 = 301,994.08 : x
  2. Step 2: Convert to fraction form
    516,895.52/713,211.24 = 301,994.08/x
  3. Step 3: Cross multiply
    516,895.52x = 713,211.24 × 301,994.08
  4. Step 4: Simplify right side
    516,895.52x = 215,385,572,269.46
  5. Step 5: Solve for x
    x = 215,385,572,269.46/516,895.52
  6. Step 6: Final answer
    x = 416,690.73

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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.