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Finding the Fourth Proportional to 474,703,281.60, 712,180,893.60 and 167,963,409.60

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Solution

The fourth proportional to 474,703,281.60, 712,180,893.60 and 167,963,409.60 is: 251,989,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,703,281.60 : 712,180,893.60 = 167,963,409.60 : x
  2. Step 2: Convert to fraction form
    474,703,281.60/712,180,893.60 = 167,963,409.60/x
  3. Step 3: Cross multiply
    474,703,281.60x = 712,180,893.60 × 167,963,409.60
  4. Step 4: Simplify right side
    474,703,281.60x = 119,620,331,141,030,816
  5. Step 5: Solve for x
    x = 119,620,331,141,030,816/474,703,281.60
  6. Step 6: Final answer
    x = 251,989,686.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.