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Finding the Fourth Proportional to 535,710.76, 803,582.70 and 269,482.12

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Solution

The fourth proportional to 535,710.76, 803,582.70 and 269,482.12 is: 404,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,710.76 : 803,582.70 = 269,482.12 : x
  2. Step 2: Convert to fraction form
    535,710.76/803,582.70 = 269,482.12/x
  3. Step 3: Cross multiply
    535,710.76x = 803,582.70 × 269,482.12
  4. Step 4: Simplify right side
    535,710.76x = 216,551,169,591.32
  5. Step 5: Solve for x
    x = 216,551,169,591.32/535,710.76
  6. Step 6: Final answer
    x = 404,231.51

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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.