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Finding the Fourth Proportional to 562,544.60, 776,281.75 and 307,846.58

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Solution

The fourth proportional to 562,544.60, 776,281.75 and 307,846.58 is: 424,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,544.60 : 776,281.75 = 307,846.58 : x
  2. Step 2: Convert to fraction form
    562,544.60/776,281.75 = 307,846.58/x
  3. Step 3: Cross multiply
    562,544.60x = 776,281.75 × 307,846.58
  4. Step 4: Simplify right side
    562,544.60x = 238,975,677,202.89
  5. Step 5: Solve for x
    x = 238,975,677,202.89/562,544.60
  6. Step 6: Final answer
    x = 424,811.97

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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.