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Finding the Fourth Proportional to 580,012.40, 869,327.40 and 243,052.40

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Solution

The fourth proportional to 580,012.40, 869,327.40 and 243,052.40 is: 364,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,012.40 : 869,327.40 = 243,052.40 : x
  2. Step 2: Convert to fraction form
    580,012.40/869,327.40 = 243,052.40/x
  3. Step 3: Cross multiply
    580,012.40x = 869,327.40 × 243,052.40
  4. Step 4: Simplify right side
    580,012.40x = 211,292,110,955.76
  5. Step 5: Solve for x
    x = 211,292,110,955.76/580,012.40
  6. Step 6: Final answer
    x = 364,288.95

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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.