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Finding the Fourth Proportional to 633,429.93, 874,131.98 and 343,040.59

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Solution

The fourth proportional to 633,429.93, 874,131.98 and 343,040.59 is: 473,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,429.93 : 874,131.98 = 343,040.59 : x
  2. Step 2: Convert to fraction form
    633,429.93/874,131.98 = 343,040.59/x
  3. Step 3: Cross multiply
    633,429.93x = 874,131.98 × 343,040.59
  4. Step 4: Simplify right side
    633,429.93x = 299,862,748,829.34
  5. Step 5: Solve for x
    x = 299,862,748,829.34/633,429.93
  6. Step 6: Final answer
    x = 473,395.30

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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.