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Finding the Fourth Proportional to 535,934.64, 802,720.98 and 298,688.88

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Solution

The fourth proportional to 535,934.64, 802,720.98 and 298,688.88 is: 447,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,934.64 : 802,720.98 = 298,688.88 : x
  2. Step 2: Convert to fraction form
    535,934.64/802,720.98 = 298,688.88/x
  3. Step 3: Cross multiply
    535,934.64x = 802,720.98 × 298,688.88
  4. Step 4: Simplify right side
    535,934.64x = 239,763,830,468.70
  5. Step 5: Solve for x
    x = 239,763,830,468.70/535,934.64
  6. Step 6: Final answer
    x = 447,375.13

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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.