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Finding the Fourth Proportional to 601,537.68, 830,090.37 and 343,404.45

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Solution

The fourth proportional to 601,537.68, 830,090.37 and 343,404.45 is: 473,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,537.68 : 830,090.37 = 343,404.45 : x
  2. Step 2: Convert to fraction form
    601,537.68/830,090.37 = 343,404.45/x
  3. Step 3: Cross multiply
    601,537.68x = 830,090.37 × 343,404.45
  4. Step 4: Simplify right side
    601,537.68x = 285,056,726,960.15
  5. Step 5: Solve for x
    x = 285,056,726,960.15/601,537.68
  6. Step 6: Final answer
    x = 473,880.09

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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.