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Finding the Fourth Proportional to 304,430.20, 456,645.30 and 94,089.40

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Solution

The fourth proportional to 304,430.20, 456,645.30 and 94,089.40 is: 141,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,430.20 : 456,645.30 = 94,089.40 : x
  2. Step 2: Convert to fraction form
    304,430.20/456,645.30 = 94,089.40/x
  3. Step 3: Cross multiply
    304,430.20x = 456,645.30 × 94,089.40
  4. Step 4: Simplify right side
    304,430.20x = 42,965,482,289.82
  5. Step 5: Solve for x
    x = 42,965,482,289.82/304,430.20
  6. Step 6: Final answer
    x = 141,134.10

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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.