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Finding the Fourth Proportional to 298,655.65, 447,746.66 and 156,473.66

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Solution

The fourth proportional to 298,655.65, 447,746.66 and 156,473.66 is: 234,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,655.65 : 447,746.66 = 156,473.66 : x
  2. Step 2: Convert to fraction form
    298,655.65/447,746.66 = 156,473.66/x
  3. Step 3: Cross multiply
    298,655.65x = 447,746.66 × 156,473.66
  4. Step 4: Simplify right side
    298,655.65x = 70,060,557,088.81
  5. Step 5: Solve for x
    x = 70,060,557,088.81/298,655.65
  6. Step 6: Final answer
    x = 234,586.41

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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.