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Finding the Fourth Proportional to 475,157.09, 655,717.58 and 260,292.47

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Solution

The fourth proportional to 475,157.09, 655,717.58 and 260,292.47 is: 359,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,157.09 : 655,717.58 = 260,292.47 : x
  2. Step 2: Convert to fraction form
    475,157.09/655,717.58 = 260,292.47/x
  3. Step 3: Cross multiply
    475,157.09x = 655,717.58 × 260,292.47
  4. Step 4: Simplify right side
    475,157.09x = 170,678,347,219.16
  5. Step 5: Solve for x
    x = 170,678,347,219.16/475,157.09
  6. Step 6: Final answer
    x = 359,204.04

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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.