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Finding the Fourth Proportional to 374,920.71, 561,674.88 and 185,159.04

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Solution

The fourth proportional to 374,920.71, 561,674.88 and 185,159.04 is: 277,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,920.71 : 561,674.88 = 185,159.04 : x
  2. Step 2: Convert to fraction form
    374,920.71/561,674.88 = 185,159.04/x
  3. Step 3: Cross multiply
    374,920.71x = 561,674.88 × 185,159.04
  4. Step 4: Simplify right side
    374,920.71x = 103,999,181,572.92
  5. Step 5: Solve for x
    x = 103,999,181,572.92/374,920.71
  6. Step 6: Final answer
    x = 277,389.80

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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.