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Finding the Fourth Proportional to 426,420.77, 588,460.28 and 235,435.32

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Solution

The fourth proportional to 426,420.77, 588,460.28 and 235,435.32 is: 324,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,420.77 : 588,460.28 = 235,435.32 : x
  2. Step 2: Convert to fraction form
    426,420.77/588,460.28 = 235,435.32/x
  3. Step 3: Cross multiply
    426,420.77x = 588,460.28 × 235,435.32
  4. Step 4: Simplify right side
    426,420.77x = 138,544,333,151.91
  5. Step 5: Solve for x
    x = 138,544,333,151.91/426,420.77
  6. Step 6: Final answer
    x = 324,900.53

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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.