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Finding the Fourth Proportional to 630,007.43, 945,014.57 and 156,692.79

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Solution

The fourth proportional to 630,007.43, 945,014.57 and 156,692.79 is: 235,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,007.43 : 945,014.57 = 156,692.79 : x
  2. Step 2: Convert to fraction form
    630,007.43/945,014.57 = 156,692.79/x
  3. Step 3: Cross multiply
    630,007.43x = 945,014.57 × 156,692.79
  4. Step 4: Simplify right side
    630,007.43x = 148,076,968,780.49
  5. Step 5: Solve for x
    x = 148,076,968,780.49/630,007.43
  6. Step 6: Final answer
    x = 235,040.04

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1.5x scale

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.