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Finding the Fourth Proportional to 374,295.48, 561,527.70 and 124,971

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Solution

The fourth proportional to 374,295.48, 561,527.70 and 124,971 is: 187,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,295.48 : 561,527.70 = 124,971 : x
  2. Step 2: Convert to fraction form
    374,295.48/561,527.70 = 124,971/x
  3. Step 3: Cross multiply
    374,295.48x = 561,527.70 × 124,971
  4. Step 4: Simplify right side
    374,295.48x = 70,174,678,196.70
  5. Step 5: Solve for x
    x = 70,174,678,196.70/374,295.48
  6. Step 6: Final answer
    x = 187,484.71

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1.5x scale

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.