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Finding the Fourth Proportional to 366,721.71, 506,080.56 and 223,495.08

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Solution

The fourth proportional to 366,721.71, 506,080.56 and 223,495.08 is: 308,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,721.71 : 506,080.56 = 223,495.08 : x
  2. Step 2: Convert to fraction form
    366,721.71/506,080.56 = 223,495.08/x
  3. Step 3: Cross multiply
    366,721.71x = 506,080.56 × 223,495.08
  4. Step 4: Simplify right side
    366,721.71x = 113,106,515,243.65
  5. Step 5: Solve for x
    x = 113,106,515,243.65/366,721.71
  6. Step 6: Final answer
    x = 308,426.01

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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.