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Finding the Fourth Proportional to 604,976.60, 907,395.70 and 161,779.16

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Solution

The fourth proportional to 604,976.60, 907,395.70 and 161,779.16 is: 242,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,976.60 : 907,395.70 = 161,779.16 : x
  2. Step 2: Convert to fraction form
    604,976.60/907,395.70 = 161,779.16/x
  3. Step 3: Cross multiply
    604,976.60x = 907,395.70 × 161,779.16
  4. Step 4: Simplify right side
    604,976.60x = 146,797,714,133.61
  5. Step 5: Solve for x
    x = 146,797,714,133.61/604,976.60
  6. Step 6: Final answer
    x = 242,650.23

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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.