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Finding the Fourth Proportional to 353,113.60, 529,670.40 and 163,573.60

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Solution

The fourth proportional to 353,113.60, 529,670.40 and 163,573.60 is: 245,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,113.60 : 529,670.40 = 163,573.60 : x
  2. Step 2: Convert to fraction form
    353,113.60/529,670.40 = 163,573.60/x
  3. Step 3: Cross multiply
    353,113.60x = 529,670.40 × 163,573.60
  4. Step 4: Simplify right side
    353,113.60x = 86,640,094,141.44
  5. Step 5: Solve for x
    x = 86,640,094,141.44/353,113.60
  6. Step 6: Final answer
    x = 245,360.40

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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.