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Finding the Fourth Proportional to 342,866.48, 473,160.75 and 197,669.77

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Solution

The fourth proportional to 342,866.48, 473,160.75 and 197,669.77 is: 272,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,866.48 : 473,160.75 = 197,669.77 : x
  2. Step 2: Convert to fraction form
    342,866.48/473,160.75 = 197,669.77/x
  3. Step 3: Cross multiply
    342,866.48x = 473,160.75 × 197,669.77
  4. Step 4: Simplify right side
    342,866.48x = 93,529,574,701.36
  5. Step 5: Solve for x
    x = 93,529,574,701.36/342,866.48
  6. Step 6: Final answer
    x = 272,787.17

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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.