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Finding the Fourth Proportional to 350,569.01, 484,602.47 and 312,703.83

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Solution

The fourth proportional to 350,569.01, 484,602.47 and 312,703.83 is: 432,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,569.01 : 484,602.47 = 312,703.83 : x
  2. Step 2: Convert to fraction form
    350,569.01/484,602.47 = 312,703.83/x
  3. Step 3: Cross multiply
    350,569.01x = 484,602.47 × 312,703.83
  4. Step 4: Simplify right side
    350,569.01x = 151,537,049,178.22
  5. Step 5: Solve for x
    x = 151,537,049,178.22/350,569.01
  6. Step 6: Final answer
    x = 432,260.26

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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.