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Finding the Fourth Proportional to 581,651.34, 872,943.57 and 301,248.78

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Solution

The fourth proportional to 581,651.34, 872,943.57 and 301,248.78 is: 452,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,651.34 : 872,943.57 = 301,248.78 : x
  2. Step 2: Convert to fraction form
    581,651.34/872,943.57 = 301,248.78/x
  3. Step 3: Cross multiply
    581,651.34x = 872,943.57 × 301,248.78
  4. Step 4: Simplify right side
    581,651.34x = 262,973,185,471.35
  5. Step 5: Solve for x
    x = 262,973,185,471.35/581,651.34
  6. Step 6: Final answer
    x = 452,114.81

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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.