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Finding the Fourth Proportional to 519,971.94, 779,958.15 and 187,547.94

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Solution

The fourth proportional to 519,971.94, 779,958.15 and 187,547.94 is: 281,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,971.94 : 779,958.15 = 187,547.94 : x
  2. Step 2: Convert to fraction form
    519,971.94/779,958.15 = 187,547.94/x
  3. Step 3: Cross multiply
    519,971.94x = 779,958.15 × 187,547.94
  4. Step 4: Simplify right side
    519,971.94x = 146,279,544,318.71
  5. Step 5: Solve for x
    x = 146,279,544,318.71/519,971.94
  6. Step 6: Final answer
    x = 281,322.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.