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Finding the Fourth Proportional to 580,324.40, 869,795.40 and 243,364.40

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Solution

The fourth proportional to 580,324.40, 869,795.40 and 243,364.40 is: 364,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,324.40 : 869,795.40 = 243,364.40 : x
  2. Step 2: Convert to fraction form
    580,324.40/869,795.40 = 243,364.40/x
  3. Step 3: Cross multiply
    580,324.40x = 869,795.40 × 243,364.40
  4. Step 4: Simplify right side
    580,324.40x = 211,677,235,643.76
  5. Step 5: Solve for x
    x = 211,677,235,643.76/580,324.40
  6. Step 6: Final answer
    x = 364,756.74

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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.