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Finding the Fourth Proportional to 304,641.83, 420,273.37 and 183,715.92

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Solution

The fourth proportional to 304,641.83, 420,273.37 and 183,715.92 is: 253,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,641.83 : 420,273.37 = 183,715.92 : x
  2. Step 2: Convert to fraction form
    304,641.83/420,273.37 = 183,715.92/x
  3. Step 3: Cross multiply
    304,641.83x = 420,273.37 × 183,715.92
  4. Step 4: Simplify right side
    304,641.83x = 77,210,908,821.05
  5. Step 5: Solve for x
    x = 77,210,908,821.05/304,641.83
  6. Step 6: Final answer
    x = 253,448.15

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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.