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Finding the Fourth Proportional to 771,293.55, 1,156,751.55 and 322,018.14

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Solution

The fourth proportional to 771,293.55, 1,156,751.55 and 322,018.14 is: 482,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,293.55 : 1,156,751.55 = 322,018.14 : x
  2. Step 2: Convert to fraction form
    771,293.55/1,156,751.55 = 322,018.14/x
  3. Step 3: Cross multiply
    771,293.55x = 1,156,751.55 × 322,018.14
  4. Step 4: Simplify right side
    771,293.55x = 372,494,982,573.12
  5. Step 5: Solve for x
    x = 372,494,982,573.12/771,293.55
  6. Step 6: Final answer
    x = 482,948.40

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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.