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Finding the Fourth Proportional to 357,406.80, 536,110.20 and 341,660.40

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Solution

The fourth proportional to 357,406.80, 536,110.20 and 341,660.40 is: 512,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,406.80 : 536,110.20 = 341,660.40 : x
  2. Step 2: Convert to fraction form
    357,406.80/536,110.20 = 341,660.40/x
  3. Step 3: Cross multiply
    357,406.80x = 536,110.20 × 341,660.40
  4. Step 4: Simplify right side
    357,406.80x = 183,167,625,376.08
  5. Step 5: Solve for x
    x = 183,167,625,376.08/357,406.80
  6. Step 6: Final answer
    x = 512,490.60

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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.