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Finding the Fourth Proportional to 630,520.40, 945,780.60 and 630,520.40

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Solution

The fourth proportional to 630,520.40, 945,780.60 and 630,520.40 is: 945,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,520.40 : 945,780.60 = 630,520.40 : x
  2. Step 2: Convert to fraction form
    630,520.40/945,780.60 = 630,520.40/x
  3. Step 3: Cross multiply
    630,520.40x = 945,780.60 × 630,520.40
  4. Step 4: Simplify right side
    630,520.40x = 596,333,962,224.24
  5. Step 5: Solve for x
    x = 596,333,962,224.24/630,520.40
  6. Step 6: Final answer
    x = 945,780.60

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Similar ratio
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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.