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Finding the Fourth Proportional to 304,948.48, 457,400.80 and 94,580.96

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Solution

The fourth proportional to 304,948.48, 457,400.80 and 94,580.96 is: 141,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,948.48 : 457,400.80 = 94,580.96 : x
  2. Step 2: Convert to fraction form
    304,948.48/457,400.80 = 94,580.96/x
  3. Step 3: Cross multiply
    304,948.48x = 457,400.80 × 94,580.96
  4. Step 4: Simplify right side
    304,948.48x = 43,261,406,768.77
  5. Step 5: Solve for x
    x = 43,261,406,768.77/304,948.48
  6. Step 6: Final answer
    x = 141,864.64

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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.