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Finding the Fourth Proportional to 306,073.60, 459,110.40 and 118,963.60

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Solution

The fourth proportional to 306,073.60, 459,110.40 and 118,963.60 is: 178,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,073.60 : 459,110.40 = 118,963.60 : x
  2. Step 2: Convert to fraction form
    306,073.60/459,110.40 = 118,963.60/x
  3. Step 3: Cross multiply
    306,073.60x = 459,110.40 × 118,963.60
  4. Step 4: Simplify right side
    306,073.60x = 54,617,425,981.44
  5. Step 5: Solve for x
    x = 54,617,425,981.44/306,073.60
  6. Step 6: Final answer
    x = 178,445.40

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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.