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Finding the Fourth Proportional to 492,300.18, 738,450.27 and 155,341.80

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Solution

The fourth proportional to 492,300.18, 738,450.27 and 155,341.80 is: 233,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,300.18 : 738,450.27 = 155,341.80 : x
  2. Step 2: Convert to fraction form
    492,300.18/738,450.27 = 155,341.80/x
  3. Step 3: Cross multiply
    492,300.18x = 738,450.27 × 155,341.80
  4. Step 4: Simplify right side
    492,300.18x = 114,712,194,152.29
  5. Step 5: Solve for x
    x = 114,712,194,152.29/492,300.18
  6. Step 6: Final answer
    x = 233,012.70

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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.