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Finding the Fourth Proportional to 452,465.67, 624,171.66 and 288,950.31

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Solution

The fourth proportional to 452,465.67, 624,171.66 and 288,950.31 is: 398,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,465.67 : 624,171.66 = 288,950.31 : x
  2. Step 2: Convert to fraction form
    452,465.67/624,171.66 = 288,950.31/x
  3. Step 3: Cross multiply
    452,465.67x = 624,171.66 × 288,950.31
  4. Step 4: Simplify right side
    452,465.67x = 180,354,594,650.22
  5. Step 5: Solve for x
    x = 180,354,594,650.22/452,465.67
  6. Step 6: Final answer
    x = 398,603.93

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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.