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Finding the Fourth Proportional to 562,346.48, 776,037.30 and 307,697.60

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Solution

The fourth proportional to 562,346.48, 776,037.30 and 307,697.60 is: 424,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,346.48 : 776,037.30 = 307,697.60 : x
  2. Step 2: Convert to fraction form
    562,346.48/776,037.30 = 307,697.60/x
  3. Step 3: Cross multiply
    562,346.48x = 776,037.30 × 307,697.60
  4. Step 4: Simplify right side
    562,346.48x = 238,784,814,720.48
  5. Step 5: Solve for x
    x = 238,784,814,720.48/562,346.48
  6. Step 6: Final answer
    x = 424,622.23

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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.