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Finding the Fourth Proportional to 304,433.86, 420,287.66 and 183,605.89

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Solution

The fourth proportional to 304,433.86, 420,287.66 and 183,605.89 is: 253,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,433.86 : 420,287.66 = 183,605.89 : x
  2. Step 2: Convert to fraction form
    304,433.86/420,287.66 = 183,605.89/x
  3. Step 3: Cross multiply
    304,433.86x = 420,287.66 × 183,605.89
  4. Step 4: Simplify right side
    304,433.86x = 77,167,289,870.32
  5. Step 5: Solve for x
    x = 77,167,289,870.32/304,433.86
  6. Step 6: Final answer
    x = 253,478.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.