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Finding the Fourth Proportional to 475,308.42, 655,928.73 and 260,457.54

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Solution

The fourth proportional to 475,308.42, 655,928.73 and 260,457.54 is: 359,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,308.42 : 655,928.73 = 260,457.54 : x
  2. Step 2: Convert to fraction form
    475,308.42/655,928.73 = 260,457.54/x
  3. Step 3: Cross multiply
    475,308.42x = 655,928.73 × 260,457.54
  4. Step 4: Simplify right side
    475,308.42x = 170,841,583,431.12
  5. Step 5: Solve for x
    x = 170,841,583,431.12/475,308.42
  6. Step 6: Final answer
    x = 359,433.11

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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.