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Finding the Fourth Proportional to 312,316.53, 468,277.95 and 264,948.23

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Solution

The fourth proportional to 312,316.53, 468,277.95 and 264,948.23 is: 397,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,316.53 : 468,277.95 = 264,948.23 : x
  2. Step 2: Convert to fraction form
    312,316.53/468,277.95 = 264,948.23/x
  3. Step 3: Cross multiply
    312,316.53x = 468,277.95 × 264,948.23
  4. Step 4: Simplify right side
    312,316.53x = 124,069,414,000.53
  5. Step 5: Solve for x
    x = 124,069,414,000.53/312,316.53
  6. Step 6: Final answer
    x = 397,255.36

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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.