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Finding the Fourth Proportional to 655,582.48, 983,756.08 and 276,479.84

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Solution

The fourth proportional to 655,582.48, 983,756.08 and 276,479.84 is: 414,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,582.48 : 983,756.08 = 276,479.84 : x
  2. Step 2: Convert to fraction form
    655,582.48/983,756.08 = 276,479.84/x
  3. Step 3: Cross multiply
    655,582.48x = 983,756.08 × 276,479.84
  4. Step 4: Simplify right side
    655,582.48x = 271,988,723,597.43
  5. Step 5: Solve for x
    x = 271,988,723,597.43/655,582.48
  6. Step 6: Final answer
    x = 414,881.01

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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.