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Finding the Fourth Proportional to 578,766.40, 867,458.40 and 241,806.40

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Solution

The fourth proportional to 578,766.40, 867,458.40 and 241,806.40 is: 362,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,766.40 : 867,458.40 = 241,806.40 : x
  2. Step 2: Convert to fraction form
    578,766.40/867,458.40 = 241,806.40/x
  3. Step 3: Cross multiply
    578,766.40x = 867,458.40 × 241,806.40
  4. Step 4: Simplify right side
    578,766.40x = 209,756,992,853.76
  5. Step 5: Solve for x
    x = 209,756,992,853.76/578,766.40
  6. Step 6: Final answer
    x = 362,420.82

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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.