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Finding the Fourth Proportional to 702,733.72, 969,336.50 and 518,784.24

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Solution

The fourth proportional to 702,733.72, 969,336.50 and 518,784.24 is: 715,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,733.72 : 969,336.50 = 518,784.24 : x
  2. Step 2: Convert to fraction form
    702,733.72/969,336.50 = 518,784.24/x
  3. Step 3: Cross multiply
    702,733.72x = 969,336.50 × 518,784.24
  4. Step 4: Simplify right side
    702,733.72x = 502,876,499,456.76
  5. Step 5: Solve for x
    x = 502,876,499,456.76/702,733.72
  6. Step 6: Final answer
    x = 715,600.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.