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Finding the Fourth Proportional to 426,328.40, 588,332.62 and 235,341.34

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Solution

The fourth proportional to 426,328.40, 588,332.62 and 235,341.34 is: 324,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,328.40 : 588,332.62 = 235,341.34 : x
  2. Step 2: Convert to fraction form
    426,328.40/588,332.62 = 235,341.34/x
  3. Step 3: Cross multiply
    426,328.40x = 588,332.62 × 235,341.34
  4. Step 4: Simplify right side
    426,328.40x = 138,458,987,156.51
  5. Step 5: Solve for x
    x = 138,458,987,156.51/426,328.40
  6. Step 6: Final answer
    x = 324,770.73

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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.