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Finding the Fourth Proportional to 524,465.60, 786,237.60 and 314,187.20

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Solution

The fourth proportional to 524,465.60, 786,237.60 and 314,187.20 is: 471,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,465.60 : 786,237.60 = 314,187.20 : x
  2. Step 2: Convert to fraction form
    524,465.60/786,237.60 = 314,187.20/x
  3. Step 3: Cross multiply
    524,465.60x = 786,237.60 × 314,187.20
  4. Step 4: Simplify right side
    524,465.60x = 247,025,790,078.72
  5. Step 5: Solve for x
    x = 247,025,790,078.72/524,465.60
  6. Step 6: Final answer
    x = 471,004.75

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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.