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Finding the Fourth Proportional to 374,551.65, 561,827.48 and 248,580.45

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Solution

The fourth proportional to 374,551.65, 561,827.48 and 248,580.45 is: 372,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,551.65 : 561,827.48 = 248,580.45 : x
  2. Step 2: Convert to fraction form
    374,551.65/561,827.48 = 248,580.45/x
  3. Step 3: Cross multiply
    374,551.65x = 561,827.48 × 248,580.45
  4. Step 4: Simplify right side
    374,551.65x = 139,659,326,557.86
  5. Step 5: Solve for x
    x = 139,659,326,557.86/374,551.65
  6. Step 6: Final answer
    x = 372,870.68

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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.