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Finding the Fourth Proportional to 506,437.44, 698,855.40 and 276,949.44

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Solution

The fourth proportional to 506,437.44, 698,855.40 and 276,949.44 is: 382,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,437.44 : 698,855.40 = 276,949.44 : x
  2. Step 2: Convert to fraction form
    506,437.44/698,855.40 = 276,949.44/x
  3. Step 3: Cross multiply
    506,437.44x = 698,855.40 × 276,949.44
  4. Step 4: Simplify right side
    506,437.44x = 193,547,611,670.98
  5. Step 5: Solve for x
    x = 193,547,611,670.98/506,437.44
  6. Step 6: Final answer
    x = 382,174.77

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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.