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Finding the Fourth Proportional to 501,860.55, 752,690.55 and 186,243.63

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Solution

The fourth proportional to 501,860.55, 752,690.55 and 186,243.63 is: 279,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,860.55 : 752,690.55 = 186,243.63 : x
  2. Step 2: Convert to fraction form
    501,860.55/752,690.55 = 186,243.63/x
  3. Step 3: Cross multiply
    501,860.55x = 752,690.55 × 186,243.63
  4. Step 4: Simplify right side
    501,860.55x = 140,183,820,298.70
  5. Step 5: Solve for x
    x = 140,183,820,298.70/501,860.55
  6. Step 6: Final answer
    x = 279,328.23

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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.