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Finding the Fourth Proportional to 506,178.02, 698,544.32 and 276,750.59

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Solution

The fourth proportional to 506,178.02, 698,544.32 and 276,750.59 is: 381,926.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,178.02 : 698,544.32 = 276,750.59 : x
  2. Step 2: Convert to fraction form
    506,178.02/698,544.32 = 276,750.59/x
  3. Step 3: Cross multiply
    506,178.02x = 698,544.32 × 276,750.59
  4. Step 4: Simplify right side
    506,178.02x = 193,322,547,824.67
  5. Step 5: Solve for x
    x = 193,322,547,824.67/506,178.02
  6. Step 6: Final answer
    x = 381,926.00

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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.