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Finding the Fourth Proportional to 630,214.98, 941,304 and 570,150.84

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Solution

The fourth proportional to 630,214.98, 941,304 and 570,150.84 is: 851,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,214.98 : 941,304 = 570,150.84 : x
  2. Step 2: Convert to fraction form
    630,214.98/941,304 = 570,150.84/x
  3. Step 3: Cross multiply
    630,214.98x = 941,304 × 570,150.84
  4. Step 4: Simplify right side
    630,214.98x = 536,685,269,825.25
  5. Step 5: Solve for x
    x = 536,685,269,825.25/630,214.98
  6. Step 6: Final answer
    x = 851,590.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.