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Finding the Fourth Proportional to 554,985.96, 765,882.96 and 300,337.16

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Solution

The fourth proportional to 554,985.96, 765,882.96 and 300,337.16 is: 414,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,985.96 : 765,882.96 = 300,337.16 : x
  2. Step 2: Convert to fraction form
    554,985.96/765,882.96 = 300,337.16/x
  3. Step 3: Cross multiply
    554,985.96x = 765,882.96 × 300,337.16
  4. Step 4: Simplify right side
    554,985.96x = 230,023,113,098.79
  5. Step 5: Solve for x
    x = 230,023,113,098.79/554,985.96
  6. Step 6: Final answer
    x = 414,466.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.