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Finding the Fourth Proportional to 562,440.92, 776,166.42 and 304,317.08

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Solution

The fourth proportional to 562,440.92, 776,166.42 and 304,317.08 is: 419,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,440.92 : 776,166.42 = 304,317.08 : x
  2. Step 2: Convert to fraction form
    562,440.92/776,166.42 = 304,317.08/x
  3. Step 3: Cross multiply
    562,440.92x = 776,166.42 × 304,317.08
  4. Step 4: Simplify right side
    562,440.92x = 236,200,698,528.45
  5. Step 5: Solve for x
    x = 236,200,698,528.45/562,440.92
  6. Step 6: Final answer
    x = 419,956.46

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Double scale
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Similar ratio
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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.