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Finding the Fourth Proportional to 354,783.60, 532,175.40 and 337,287.60

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Solution

The fourth proportional to 354,783.60, 532,175.40 and 337,287.60 is: 505,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,783.60 : 532,175.40 = 337,287.60 : x
  2. Step 2: Convert to fraction form
    354,783.60/532,175.40 = 337,287.60/x
  3. Step 3: Cross multiply
    354,783.60x = 532,175.40 × 337,287.60
  4. Step 4: Simplify right side
    354,783.60x = 179,496,163,445.04
  5. Step 5: Solve for x
    x = 179,496,163,445.04/354,783.60
  6. Step 6: Final answer
    x = 505,931.40

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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.