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Finding the Fourth Proportional to 562,546.47, 776,284.34 and 307,848.45

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Solution

The fourth proportional to 562,546.47, 776,284.34 and 307,848.45 is: 424,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,546.47 : 776,284.34 = 307,848.45 : x
  2. Step 2: Convert to fraction form
    562,546.47/776,284.34 = 307,848.45/x
  3. Step 3: Cross multiply
    562,546.47x = 776,284.34 × 307,848.45
  4. Step 4: Simplify right side
    562,546.47x = 238,977,929,289.03
  5. Step 5: Solve for x
    x = 238,977,929,289.03/562,546.47
  6. Step 6: Final answer
    x = 424,814.56

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