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Finding the Fourth Proportional to 632,357.68, 872,631.50 and 360,513.12

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Solution

The fourth proportional to 632,357.68, 872,631.50 and 360,513.12 is: 497,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,357.68 : 872,631.50 = 360,513.12 : x
  2. Step 2: Convert to fraction form
    632,357.68/872,631.50 = 360,513.12/x
  3. Step 3: Cross multiply
    632,357.68x = 872,631.50 × 360,513.12
  4. Step 4: Simplify right side
    632,357.68x = 314,595,105,576.56
  5. Step 5: Solve for x
    x = 314,595,105,576.56/632,357.68
  6. Step 6: Final answer
    x = 497,495.51

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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.