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Finding the Fourth Proportional to 326,366.06, 489,743.19 and 176,603.34

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Solution

The fourth proportional to 326,366.06, 489,743.19 and 176,603.34 is: 265,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,366.06 : 489,743.19 = 176,603.34 : x
  2. Step 2: Convert to fraction form
    326,366.06/489,743.19 = 176,603.34/x
  3. Step 3: Cross multiply
    326,366.06x = 489,743.19 × 176,603.34
  4. Step 4: Simplify right side
    326,366.06x = 86,490,281,681.29
  5. Step 5: Solve for x
    x = 86,490,281,681.29/326,366.06
  6. Step 6: Final answer
    x = 265,010.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.