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Finding the Fourth Proportional to 562,476.06, 776,218.28 and 307,843.65

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Solution

The fourth proportional to 562,476.06, 776,218.28 and 307,843.65 is: 424,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,476.06 : 776,218.28 = 307,843.65 : x
  2. Step 2: Convert to fraction form
    562,476.06/776,218.28 = 307,843.65/x
  3. Step 3: Cross multiply
    562,476.06x = 776,218.28 × 307,843.65
  4. Step 4: Simplify right side
    562,476.06x = 238,953,866,972.70
  5. Step 5: Solve for x
    x = 238,953,866,972.70/562,476.06
  6. Step 6: Final answer
    x = 424,824.96

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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.