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Finding the Fourth Proportional to 404,335.08, 557,973.50 and 223,047.16

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Solution

The fourth proportional to 404,335.08, 557,973.50 and 223,047.16 is: 307,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,335.08 : 557,973.50 = 223,047.16 : x
  2. Step 2: Convert to fraction form
    404,335.08/557,973.50 = 223,047.16/x
  3. Step 3: Cross multiply
    404,335.08x = 557,973.50 × 223,047.16
  4. Step 4: Simplify right side
    404,335.08x = 124,454,402,020.09
  5. Step 5: Solve for x
    x = 124,454,402,020.09/404,335.08
  6. Step 6: Final answer
    x = 307,800.16

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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.