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Finding the Fourth Proportional to 303,864.06, 455,485.02 and 153,826.14

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Solution

The fourth proportional to 303,864.06, 455,485.02 and 153,826.14 is: 230,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,864.06 : 455,485.02 = 153,826.14 : x
  2. Step 2: Convert to fraction form
    303,864.06/455,485.02 = 153,826.14/x
  3. Step 3: Cross multiply
    303,864.06x = 455,485.02 × 153,826.14
  4. Step 4: Simplify right side
    303,864.06x = 70,065,502,454.42
  5. Step 5: Solve for x
    x = 70,065,502,454.42/303,864.06
  6. Step 6: Final answer
    x = 230,581.74

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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.