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Finding the Fourth Proportional to 426,407.66, 588,438.76 and 235,416.94

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Solution

The fourth proportional to 426,407.66, 588,438.76 and 235,416.94 is: 324,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,407.66 : 588,438.76 = 235,416.94 : x
  2. Step 2: Convert to fraction form
    426,407.66/588,438.76 = 235,416.94/x
  3. Step 3: Cross multiply
    426,407.66x = 588,438.76 × 235,416.94
  4. Step 4: Simplify right side
    426,407.66x = 138,528,452,256.59
  5. Step 5: Solve for x
    x = 138,528,452,256.59/426,407.66
  6. Step 6: Final answer
    x = 324,873.27

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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.