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Finding the Fourth Proportional to 430,529.32, 594,076.98 and 239,529.16

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Solution

The fourth proportional to 430,529.32, 594,076.98 and 239,529.16 is: 330,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,529.32 : 594,076.98 = 239,529.16 : x
  2. Step 2: Convert to fraction form
    430,529.32/594,076.98 = 239,529.16/x
  3. Step 3: Cross multiply
    430,529.32x = 594,076.98 × 239,529.16
  4. Step 4: Simplify right side
    430,529.32x = 142,298,759,994.74
  5. Step 5: Solve for x
    x = 142,298,759,994.74/430,529.32
  6. Step 6: Final answer
    x = 330,520.49

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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.