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Finding the Fourth Proportional to 374,809.25, 562,272.30 and 122,030.07

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Solution

The fourth proportional to 374,809.25, 562,272.30 and 122,030.07 is: 183,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,809.25 : 562,272.30 = 122,030.07 : x
  2. Step 2: Convert to fraction form
    374,809.25/562,272.30 = 122,030.07/x
  3. Step 3: Cross multiply
    374,809.25x = 562,272.30 × 122,030.07
  4. Step 4: Simplify right side
    374,809.25x = 68,614,128,128.06
  5. Step 5: Solve for x
    x = 68,614,128,128.06/374,809.25
  6. Step 6: Final answer
    x = 183,064.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.