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Finding the Fourth Proportional to 536,459.23, 740,005.86 and 334,905.31

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Solution

The fourth proportional to 536,459.23, 740,005.86 and 334,905.31 is: 461,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,459.23 : 740,005.86 = 334,905.31 : x
  2. Step 2: Convert to fraction form
    536,459.23/740,005.86 = 334,905.31/x
  3. Step 3: Cross multiply
    536,459.23x = 740,005.86 × 334,905.31
  4. Step 4: Simplify right side
    536,459.23x = 247,831,891,945.12
  5. Step 5: Solve for x
    x = 247,831,891,945.12/536,459.23
  6. Step 6: Final answer
    x = 461,977.12

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1.5x scale

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.