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Finding the Fourth Proportional to 454,897.40, 682,346.10 and 366,323.90

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Solution

The fourth proportional to 454,897.40, 682,346.10 and 366,323.90 is: 549,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,897.40 : 682,346.10 = 366,323.90 : x
  2. Step 2: Convert to fraction form
    454,897.40/682,346.10 = 366,323.90/x
  3. Step 3: Cross multiply
    454,897.40x = 682,346.10 × 366,323.90
  4. Step 4: Simplify right side
    454,897.40x = 249,959,684,501.79
  5. Step 5: Solve for x
    x = 249,959,684,501.79/454,897.40
  6. Step 6: Final answer
    x = 549,485.85

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Double scale
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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.