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Finding the Fourth Proportional to 342,783.60, 514,175.40 and 342,783.60

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Solution

The fourth proportional to 342,783.60, 514,175.40 and 342,783.60 is: 514,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,783.60 : 514,175.40 = 342,783.60 : x
  2. Step 2: Convert to fraction form
    342,783.60/514,175.40 = 342,783.60/x
  3. Step 3: Cross multiply
    342,783.60x = 514,175.40 × 342,783.60
  4. Step 4: Simplify right side
    342,783.60x = 176,250,894,643.44
  5. Step 5: Solve for x
    x = 176,250,894,643.44/342,783.60
  6. Step 6: Final answer
    x = 514,175.40

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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.