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Finding the Fourth Proportional to 562,838.07, 776,717.79 and 304,717.74

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Solution

The fourth proportional to 562,838.07, 776,717.79 and 304,717.74 is: 420,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,838.07 : 776,717.79 = 304,717.74 : x
  2. Step 2: Convert to fraction form
    562,838.07/776,717.79 = 304,717.74/x
  3. Step 3: Cross multiply
    562,838.07x = 776,717.79 × 304,717.74
  4. Step 4: Simplify right side
    562,838.07x = 236,679,689,586.60
  5. Step 5: Solve for x
    x = 236,679,689,586.60/562,838.07
  6. Step 6: Final answer
    x = 420,511.16

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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.