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Finding the Fourth Proportional to 562,945.17, 776,833.53 and 330,340.92

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Solution

The fourth proportional to 562,945.17, 776,833.53 and 330,340.92 is: 455,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,945.17 : 776,833.53 = 330,340.92 : x
  2. Step 2: Convert to fraction form
    562,945.17/776,833.53 = 330,340.92/x
  3. Step 3: Cross multiply
    562,945.17x = 776,833.53 × 330,340.92
  4. Step 4: Simplify right side
    562,945.17x = 256,619,902,987.05
  5. Step 5: Solve for x
    x = 256,619,902,987.05/562,945.17
  6. Step 6: Final answer
    x = 455,852.39

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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.