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Finding the Fourth Proportional to 343,259.87, 473,726.59 and 190,346.01

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Solution

The fourth proportional to 343,259.87, 473,726.59 and 190,346.01 is: 262,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,259.87 : 473,726.59 = 190,346.01 : x
  2. Step 2: Convert to fraction form
    343,259.87/473,726.59 = 190,346.01/x
  3. Step 3: Cross multiply
    343,259.87x = 473,726.59 × 190,346.01
  4. Step 4: Simplify right side
    343,259.87x = 90,171,966,237.41
  5. Step 5: Solve for x
    x = 90,171,966,237.41/343,259.87
  6. Step 6: Final answer
    x = 262,693.00

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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.