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Finding the Fourth Proportional to 633,459.15, 874,169.28 and 343,064.03

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Solution

The fourth proportional to 633,459.15, 874,169.28 and 343,064.03 is: 473,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,459.15 : 874,169.28 = 343,064.03 : x
  2. Step 2: Convert to fraction form
    633,459.15/874,169.28 = 343,064.03/x
  3. Step 3: Cross multiply
    633,459.15x = 874,169.28 × 343,064.03
  4. Step 4: Simplify right side
    633,459.15x = 299,896,031,728.15
  5. Step 5: Solve for x
    x = 299,896,031,728.15/633,459.15
  6. Step 6: Final answer
    x = 473,426.00

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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.