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Finding the Fourth Proportional to 306,722.91, 460,087.28 and 191,352.45

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Solution

The fourth proportional to 306,722.91, 460,087.28 and 191,352.45 is: 287,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,722.91 : 460,087.28 = 191,352.45 : x
  2. Step 2: Convert to fraction form
    306,722.91/460,087.28 = 191,352.45/x
  3. Step 3: Cross multiply
    306,722.91x = 460,087.28 × 191,352.45
  4. Step 4: Simplify right side
    306,722.91x = 88,038,827,285.07
  5. Step 5: Solve for x
    x = 88,038,827,285.07/306,722.91
  6. Step 6: Final answer
    x = 287,030.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.