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Finding the Fourth Proportional to 343,261.17, 514,765.40 and 118,563.93

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Solution

The fourth proportional to 343,261.17, 514,765.40 and 118,563.93 is: 177,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,261.17 : 514,765.40 = 118,563.93 : x
  2. Step 2: Convert to fraction form
    343,261.17/514,765.40 = 118,563.93/x
  3. Step 3: Cross multiply
    343,261.17x = 514,765.40 × 118,563.93
  4. Step 4: Simplify right side
    343,261.17x = 61,032,608,259.20
  5. Step 5: Solve for x
    x = 61,032,608,259.20/343,261.17
  6. Step 6: Final answer
    x = 177,802.25

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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.