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Finding the Fourth Proportional to 374,008.96, 561,018.40 and 124,691.04

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Solution

The fourth proportional to 374,008.96, 561,018.40 and 124,691.04 is: 187,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,008.96 : 561,018.40 = 124,691.04 : x
  2. Step 2: Convert to fraction form
    374,008.96/561,018.40 = 124,691.04/x
  3. Step 3: Cross multiply
    374,008.96x = 561,018.40 × 124,691.04
  4. Step 4: Simplify right side
    374,008.96x = 69,953,967,755.14
  5. Step 5: Solve for x
    x = 69,953,967,755.14/374,008.96
  6. Step 6: Final answer
    x = 187,038.21

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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.