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Finding the Fourth Proportional to 265,009.04, 365,722.10 and 151,853.66

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Solution

The fourth proportional to 265,009.04, 365,722.10 and 151,853.66 is: 209,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,009.04 : 365,722.10 = 151,853.66 : x
  2. Step 2: Convert to fraction form
    265,009.04/365,722.10 = 151,853.66/x
  3. Step 3: Cross multiply
    265,009.04x = 365,722.10 × 151,853.66
  4. Step 4: Simplify right side
    265,009.04x = 55,536,240,023.05
  5. Step 5: Solve for x
    x = 55,536,240,023.05/265,009.04
  6. Step 6: Final answer
    x = 209,563.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.