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Finding the Fourth Proportional to 474,947.46, 655,397.46 and 260,090.10

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Solution

The fourth proportional to 474,947.46, 655,397.46 and 260,090.10 is: 358,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,947.46 : 655,397.46 = 260,090.10 : x
  2. Step 2: Convert to fraction form
    474,947.46/655,397.46 = 260,090.10/x
  3. Step 3: Cross multiply
    474,947.46x = 655,397.46 × 260,090.10
  4. Step 4: Simplify right side
    474,947.46x = 170,462,390,911.15
  5. Step 5: Solve for x
    x = 170,462,390,911.15/474,947.46
  6. Step 6: Final answer
    x = 358,907.89

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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.