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Finding the Fourth Proportional to 402,967.26, 556,113.51 and 233,168.46

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Solution

The fourth proportional to 402,967.26, 556,113.51 and 233,168.46 is: 321,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,967.26 : 556,113.51 = 233,168.46 : x
  2. Step 2: Convert to fraction form
    402,967.26/556,113.51 = 233,168.46/x
  3. Step 3: Cross multiply
    402,967.26x = 556,113.51 × 233,168.46
  4. Step 4: Simplify right side
    402,967.26x = 129,668,130,711.90
  5. Step 5: Solve for x
    x = 129,668,130,711.90/402,967.26
  6. Step 6: Final answer
    x = 321,783.29

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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.