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Finding the Fourth Proportional to 346,315.60, 519,497.70 and 196,627.60

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Solution

The fourth proportional to 346,315.60, 519,497.70 and 196,627.60 is: 294,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,315.60 : 519,497.70 = 196,627.60 : x
  2. Step 2: Convert to fraction form
    346,315.60/519,497.70 = 196,627.60/x
  3. Step 3: Cross multiply
    346,315.60x = 519,497.70 × 196,627.60
  4. Step 4: Simplify right side
    346,315.60x = 102,147,585,956.52
  5. Step 5: Solve for x
    x = 102,147,585,956.52/346,315.60
  6. Step 6: Final answer
    x = 294,955.20

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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.