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Finding the Fourth Proportional to 524,277.20, 784,860.60 and 346,984.40

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Solution

The fourth proportional to 524,277.20, 784,860.60 and 346,984.40 is: 519,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,277.20 : 784,860.60 = 346,984.40 : x
  2. Step 2: Convert to fraction form
    524,277.20/784,860.60 = 346,984.40/x
  3. Step 3: Cross multiply
    524,277.20x = 784,860.60 × 346,984.40
  4. Step 4: Simplify right side
    524,277.20x = 272,334,384,374.64
  5. Step 5: Solve for x
    x = 272,334,384,374.64/524,277.20
  6. Step 6: Final answer
    x = 519,447.32

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1.5x scale

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.