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Finding the Fourth Proportional to 577,222.40, 865,833.60 and 472,246.40

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Solution

The fourth proportional to 577,222.40, 865,833.60 and 472,246.40 is: 708,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,222.40 : 865,833.60 = 472,246.40 : x
  2. Step 2: Convert to fraction form
    577,222.40/865,833.60 = 472,246.40/x
  3. Step 3: Cross multiply
    577,222.40x = 865,833.60 × 472,246.40
  4. Step 4: Simplify right side
    577,222.40x = 408,886,800,599.04
  5. Step 5: Solve for x
    x = 408,886,800,599.04/577,222.40
  6. Step 6: Final answer
    x = 708,369.60

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Similar ratio
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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.