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Finding the Fourth Proportional to 304,760.04, 456,838.72 and 144,555

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Solution

The fourth proportional to 304,760.04, 456,838.72 and 144,555 is: 216,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,760.04 : 456,838.72 = 144,555 : x
  2. Step 2: Convert to fraction form
    304,760.04/456,838.72 = 144,555/x
  3. Step 3: Cross multiply
    304,760.04x = 456,838.72 × 144,555
  4. Step 4: Simplify right side
    304,760.04x = 66,038,321,169.60
  5. Step 5: Solve for x
    x = 66,038,321,169.60/304,760.04
  6. Step 6: Final answer
    x = 216,689.57

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1.5x scale

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.