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Finding the Fourth Proportional to 543,173.16, 749,058.24 and 325,347.03

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Solution

The fourth proportional to 543,173.16, 749,058.24 and 325,347.03 is: 448,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,173.16 : 749,058.24 = 325,347.03 : x
  2. Step 2: Convert to fraction form
    543,173.16/749,058.24 = 325,347.03/x
  3. Step 3: Cross multiply
    543,173.16x = 749,058.24 × 325,347.03
  4. Step 4: Simplify right side
    543,173.16x = 243,703,873,681.03
  5. Step 5: Solve for x
    x = 243,703,873,681.03/543,173.16
  6. Step 6: Final answer
    x = 448,667.00

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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.