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Finding the Fourth Proportional to 570,908.70, 786,056.52 and 484,697.16

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Solution

The fourth proportional to 570,908.70, 786,056.52 and 484,697.16 is: 667,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,908.70 : 786,056.52 = 484,697.16 : x
  2. Step 2: Convert to fraction form
    570,908.70/786,056.52 = 484,697.16/x
  3. Step 3: Cross multiply
    570,908.70x = 786,056.52 × 484,697.16
  4. Step 4: Simplify right side
    570,908.70x = 380,999,362,843.48
  5. Step 5: Solve for x
    x = 380,999,362,843.48/570,908.70
  6. Step 6: Final answer
    x = 667,356.03

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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.