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Finding the Fourth Proportional to 469,055.40, 703,733.76 and 153,440.52

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Solution

The fourth proportional to 469,055.40, 703,733.76 and 153,440.52 is: 230,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,055.40 : 703,733.76 = 153,440.52 : x
  2. Step 2: Convert to fraction form
    469,055.40/703,733.76 = 153,440.52/x
  3. Step 3: Cross multiply
    469,055.40x = 703,733.76 × 153,440.52
  4. Step 4: Simplify right side
    469,055.40x = 107,981,274,075.96
  5. Step 5: Solve for x
    x = 107,981,274,075.96/469,055.40
  6. Step 6: Final answer
    x = 230,210.06

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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.