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Finding the Fourth Proportional to 650,963.45, 898,289.93 and 360,557.80

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Solution

The fourth proportional to 650,963.45, 898,289.93 and 360,557.80 is: 497,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,963.45 : 898,289.93 = 360,557.80 : x
  2. Step 2: Convert to fraction form
    650,963.45/898,289.93 = 360,557.80/x
  3. Step 3: Cross multiply
    650,963.45x = 898,289.93 × 360,557.80
  4. Step 4: Simplify right side
    650,963.45x = 323,885,438,677.23
  5. Step 5: Solve for x
    x = 323,885,438,677.23/650,963.45
  6. Step 6: Final answer
    x = 497,547.81

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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.