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Finding the Fourth Proportional to 366,970.60, 550,455.90 and 157,018.60

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Solution

The fourth proportional to 366,970.60, 550,455.90 and 157,018.60 is: 235,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,970.60 : 550,455.90 = 157,018.60 : x
  2. Step 2: Convert to fraction form
    366,970.60/550,455.90 = 157,018.60/x
  3. Step 3: Cross multiply
    366,970.60x = 550,455.90 × 157,018.60
  4. Step 4: Simplify right side
    366,970.60x = 86,431,814,779.74
  5. Step 5: Solve for x
    x = 86,431,814,779.74/366,970.60
  6. Step 6: Final answer
    x = 235,527.90

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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.