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Finding the Fourth Proportional to 430,901.78, 594,621.66 and 247,130.87

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Solution

The fourth proportional to 430,901.78, 594,621.66 and 247,130.87 is: 341,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,901.78 : 594,621.66 = 247,130.87 : x
  2. Step 2: Convert to fraction form
    430,901.78/594,621.66 = 247,130.87/x
  3. Step 3: Cross multiply
    430,901.78x = 594,621.66 × 247,130.87
  4. Step 4: Simplify right side
    430,901.78x = 146,949,368,156.64
  5. Step 5: Solve for x
    x = 146,949,368,156.64/430,901.78
  6. Step 6: Final answer
    x = 341,027.53

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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.