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Finding the Fourth Proportional to 560,237.50, 840,363.54 and 186,260.50

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Solution

The fourth proportional to 560,237.50, 840,363.54 and 186,260.50 is: 279,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,237.50 : 840,363.54 = 186,260.50 : x
  2. Step 2: Convert to fraction form
    560,237.50/840,363.54 = 186,260.50/x
  3. Step 3: Cross multiply
    560,237.50x = 840,363.54 × 186,260.50
  4. Step 4: Simplify right side
    560,237.50x = 156,526,533,142.17
  5. Step 5: Solve for x
    x = 156,526,533,142.17/560,237.50
  6. Step 6: Final answer
    x = 279,393.17

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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.