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Finding the Fourth Proportional to 468,613.70, 702,920.55 and 450,242.90

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Solution

The fourth proportional to 468,613.70, 702,920.55 and 450,242.90 is: 675,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,613.70 : 702,920.55 = 450,242.90 : x
  2. Step 2: Convert to fraction form
    468,613.70/702,920.55 = 450,242.90/x
  3. Step 3: Cross multiply
    468,613.70x = 702,920.55 × 450,242.90
  4. Step 4: Simplify right side
    468,613.70x = 316,484,986,901.60
  5. Step 5: Solve for x
    x = 316,484,986,901.60/468,613.70
  6. Step 6: Final answer
    x = 675,364.35

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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.