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Finding the Fourth Proportional to 514,968.60, 772,452.90 and 355,536.30

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Solution

The fourth proportional to 514,968.60, 772,452.90 and 355,536.30 is: 533,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,968.60 : 772,452.90 = 355,536.30 : x
  2. Step 2: Convert to fraction form
    514,968.60/772,452.90 = 355,536.30/x
  3. Step 3: Cross multiply
    514,968.60x = 772,452.90 × 355,536.30
  4. Step 4: Simplify right side
    514,968.60x = 274,635,045,990.27
  5. Step 5: Solve for x
    x = 274,635,045,990.27/514,968.60
  6. Step 6: Final answer
    x = 533,304.45

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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.