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Finding the Fourth Proportional to 562,487.06, 776,233.46 and 307,854.65

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Solution

The fourth proportional to 562,487.06, 776,233.46 and 307,854.65 is: 424,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,487.06 : 776,233.46 = 307,854.65 : x
  2. Step 2: Convert to fraction form
    562,487.06/776,233.46 = 307,854.65/x
  3. Step 3: Cross multiply
    562,487.06x = 776,233.46 × 307,854.65
  4. Step 4: Simplify right side
    562,487.06x = 238,967,080,146.59
  5. Step 5: Solve for x
    x = 238,967,080,146.59/562,487.06
  6. Step 6: Final answer
    x = 424,840.14

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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.