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Finding the Fourth Proportional to 508,421.60, 701,684.06 and 293,561.20

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Solution

The fourth proportional to 508,421.60, 701,684.06 and 293,561.20 is: 405,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,421.60 : 701,684.06 = 293,561.20 : x
  2. Step 2: Convert to fraction form
    508,421.60/701,684.06 = 293,561.20/x
  3. Step 3: Cross multiply
    508,421.60x = 701,684.06 × 293,561.20
  4. Step 4: Simplify right side
    508,421.60x = 205,987,214,674.47
  5. Step 5: Solve for x
    x = 205,987,214,674.47/508,421.60
  6. Step 6: Final answer
    x = 405,150.40

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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.