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Finding the Fourth Proportional to 374,803.10, 562,204.65 and 248,831.90

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Solution

The fourth proportional to 374,803.10, 562,204.65 and 248,831.90 is: 373,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,803.10 : 562,204.65 = 248,831.90 : x
  2. Step 2: Convert to fraction form
    374,803.10/562,204.65 = 248,831.90/x
  3. Step 3: Cross multiply
    374,803.10x = 562,204.65 × 248,831.90
  4. Step 4: Simplify right side
    374,803.10x = 139,894,451,248.34
  5. Step 5: Solve for x
    x = 139,894,451,248.34/374,803.10
  6. Step 6: Final answer
    x = 373,247.85

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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.