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Finding the Fourth Proportional to 562,866.24, 776,726.46 and 308,168.16

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Solution

The fourth proportional to 562,866.24, 776,726.46 and 308,168.16 is: 425,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,866.24 : 776,726.46 = 308,168.16 : x
  2. Step 2: Convert to fraction form
    562,866.24/776,726.46 = 308,168.16/x
  3. Step 3: Cross multiply
    562,866.24x = 776,726.46 × 308,168.16
  4. Step 4: Simplify right side
    562,866.24x = 239,362,364,001.51
  5. Step 5: Solve for x
    x = 239,362,364,001.51/562,866.24
  6. Step 6: Final answer
    x = 425,256.21

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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.