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Finding the Fourth Proportional to 366,985.60, 550,478.40 and 157,033.60

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Solution

The fourth proportional to 366,985.60, 550,478.40 and 157,033.60 is: 235,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,985.60 : 550,478.40 = 157,033.60 : x
  2. Step 2: Convert to fraction form
    366,985.60/550,478.40 = 157,033.60/x
  3. Step 3: Cross multiply
    366,985.60x = 550,478.40 × 157,033.60
  4. Step 4: Simplify right side
    366,985.60x = 86,443,604,874.24
  5. Step 5: Solve for x
    x = 86,443,604,874.24/366,985.60
  6. Step 6: Final answer
    x = 235,550.40

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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.