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Finding the Fourth Proportional to 562,281.60, 775,950.48 and 307,632

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Solution

The fourth proportional to 562,281.60, 775,950.48 and 307,632 is: 424,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,281.60 : 775,950.48 = 307,632 : x
  2. Step 2: Convert to fraction form
    562,281.60/775,950.48 = 307,632/x
  3. Step 3: Cross multiply
    562,281.60x = 775,950.48 × 307,632
  4. Step 4: Simplify right side
    562,281.60x = 238,707,198,063.36
  5. Step 5: Solve for x
    x = 238,707,198,063.36/562,281.60
  6. Step 6: Final answer
    x = 424,533.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.