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Finding the Fourth Proportional to 352,920.58, 487,030.98 and 191,777.56

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Solution

The fourth proportional to 352,920.58, 487,030.98 and 191,777.56 is: 264,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,920.58 : 487,030.98 = 191,777.56 : x
  2. Step 2: Convert to fraction form
    352,920.58/487,030.98 = 191,777.56/x
  3. Step 3: Cross multiply
    352,920.58x = 487,030.98 × 191,777.56
  4. Step 4: Simplify right side
    352,920.58x = 93,401,612,988.81
  5. Step 5: Solve for x
    x = 93,401,612,988.81/352,920.58
  6. Step 6: Final answer
    x = 264,653.35

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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.