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Finding the Fourth Proportional to 570,127.76, 854,938.84 and 303,838.64

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Solution

The fourth proportional to 570,127.76, 854,938.84 and 303,838.64 is: 455,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,127.76 : 854,938.84 = 303,838.64 : x
  2. Step 2: Convert to fraction form
    570,127.76/854,938.84 = 303,838.64/x
  3. Step 3: Cross multiply
    570,127.76x = 854,938.84 × 303,838.64
  4. Step 4: Simplify right side
    570,127.76x = 259,763,454,428.78
  5. Step 5: Solve for x
    x = 259,763,454,428.78/570,127.76
  6. Step 6: Final answer
    x = 455,623.24

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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.