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Finding the Fourth Proportional to 473,928.32, 711,017.01 and 170,353.28

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Solution

The fourth proportional to 473,928.32, 711,017.01 and 170,353.28 is: 255,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,928.32 : 711,017.01 = 170,353.28 : x
  2. Step 2: Convert to fraction form
    473,928.32/711,017.01 = 170,353.28/x
  3. Step 3: Cross multiply
    473,928.32x = 711,017.01 × 170,353.28
  4. Step 4: Simplify right side
    473,928.32x = 121,124,076,234.21
  5. Step 5: Solve for x
    x = 121,124,076,234.21/473,928.32
  6. Step 6: Final answer
    x = 255,574.68

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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.