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Finding the Fourth Proportional to 532,330.28, 734,615.94 and 293,866.28

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Solution

The fourth proportional to 532,330.28, 734,615.94 and 293,866.28 is: 405,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,330.28 : 734,615.94 = 293,866.28 : x
  2. Step 2: Convert to fraction form
    532,330.28/734,615.94 = 293,866.28/x
  3. Step 3: Cross multiply
    532,330.28x = 734,615.94 × 293,866.28
  4. Step 4: Simplify right side
    532,330.28x = 215,878,853,516.50
  5. Step 5: Solve for x
    x = 215,878,853,516.50/532,330.28
  6. Step 6: Final answer
    x = 405,535.55

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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.