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Finding the Fourth Proportional to 350,985.60, 525,873.60 and 163,612.80

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Solution

The fourth proportional to 350,985.60, 525,873.60 and 163,612.80 is: 245,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,985.60 : 525,873.60 = 163,612.80 : x
  2. Step 2: Convert to fraction form
    350,985.60/525,873.60 = 163,612.80/x
  3. Step 3: Cross multiply
    350,985.60x = 525,873.60 × 163,612.80
  4. Step 4: Simplify right side
    350,985.60x = 86,039,652,142.08
  5. Step 5: Solve for x
    x = 86,039,652,142.08/350,985.60
  6. Step 6: Final answer
    x = 245,137.27

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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.