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Finding the Fourth Proportional to 453,370.14, 680,030.60 and 137,802.45

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Solution

The fourth proportional to 453,370.14, 680,030.60 and 137,802.45 is: 206,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,370.14 : 680,030.60 = 137,802.45 : x
  2. Step 2: Convert to fraction form
    453,370.14/680,030.60 = 137,802.45/x
  3. Step 3: Cross multiply
    453,370.14x = 680,030.60 × 137,802.45
  4. Step 4: Simplify right side
    453,370.14x = 93,709,882,065.96
  5. Step 5: Solve for x
    x = 93,709,882,065.96/453,370.14
  6. Step 6: Final answer
    x = 206,696.19

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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.