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Finding the Fourth Proportional to 623,548.80, 935,598.60 and 303,523.20

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Solution

The fourth proportional to 623,548.80, 935,598.60 and 303,523.20 is: 455,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,548.80 : 935,598.60 = 303,523.20 : x
  2. Step 2: Convert to fraction form
    623,548.80/935,598.60 = 303,523.20/x
  3. Step 3: Cross multiply
    623,548.80x = 935,598.60 × 303,523.20
  4. Step 4: Simplify right side
    623,548.80x = 283,975,880,987.52
  5. Step 5: Solve for x
    x = 283,975,880,987.52/623,548.80
  6. Step 6: Final answer
    x = 455,418.86

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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.