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Finding the Fourth Proportional to 604,979.50, 908,030.02 and 305,670.45

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Solution

The fourth proportional to 604,979.50, 908,030.02 and 305,670.45 is: 458,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,979.50 : 908,030.02 = 305,670.45 : x
  2. Step 2: Convert to fraction form
    604,979.50/908,030.02 = 305,670.45/x
  3. Step 3: Cross multiply
    604,979.50x = 908,030.02 × 305,670.45
  4. Step 4: Simplify right side
    604,979.50x = 277,557,944,826.91
  5. Step 5: Solve for x
    x = 277,557,944,826.91/604,979.50
  6. Step 6: Final answer
    x = 458,789.01

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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.