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Finding the Fourth Proportional to 474,860.64, 655,307.76 and 260,014.02

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Solution

The fourth proportional to 474,860.64, 655,307.76 and 260,014.02 is: 358,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,860.64 : 655,307.76 = 260,014.02 : x
  2. Step 2: Convert to fraction form
    474,860.64/655,307.76 = 260,014.02/x
  3. Step 3: Cross multiply
    474,860.64x = 655,307.76 × 260,014.02
  4. Step 4: Simplify right side
    474,860.64x = 170,389,205,014.80
  5. Step 5: Solve for x
    x = 170,389,205,014.80/474,860.64
  6. Step 6: Final answer
    x = 358,819.39

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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.