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Finding the Fourth Proportional to 417,334.58, 575,293.79 and 326,532.87

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Solution

The fourth proportional to 417,334.58, 575,293.79 and 326,532.87 is: 450,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,334.58 : 575,293.79 = 326,532.87 : x
  2. Step 2: Convert to fraction form
    417,334.58/575,293.79 = 326,532.87/x
  3. Step 3: Cross multiply
    417,334.58x = 575,293.79 × 326,532.87
  4. Step 4: Simplify right side
    417,334.58x = 187,852,333,158.21
  5. Step 5: Solve for x
    x = 187,852,333,158.21/417,334.58
  6. Step 6: Final answer
    x = 450,124.06

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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.