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Finding the Fourth Proportional to 529,637.10, 794,455.65 and 305,688.30

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Solution

The fourth proportional to 529,637.10, 794,455.65 and 305,688.30 is: 458,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,637.10 : 794,455.65 = 305,688.30 : x
  2. Step 2: Convert to fraction form
    529,637.10/794,455.65 = 305,688.30/x
  3. Step 3: Cross multiply
    529,637.10x = 794,455.65 × 305,688.30
  4. Step 4: Simplify right side
    529,637.10x = 242,855,797,073.90
  5. Step 5: Solve for x
    x = 242,855,797,073.90/529,637.10
  6. Step 6: Final answer
    x = 458,532.45

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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.