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Finding the Fourth Proportional to 562,842.92, 776,724.53 and 304,722.60

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Solution

The fourth proportional to 562,842.92, 776,724.53 and 304,722.60 is: 420,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,842.92 : 776,724.53 = 304,722.60 : x
  2. Step 2: Convert to fraction form
    562,842.92/776,724.53 = 304,722.60/x
  3. Step 3: Cross multiply
    562,842.92x = 776,724.53 × 304,722.60
  4. Step 4: Simplify right side
    562,842.92x = 236,685,516,741.77
  5. Step 5: Solve for x
    x = 236,685,516,741.77/562,842.92
  6. Step 6: Final answer
    x = 420,517.89

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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.