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Finding the Fourth Proportional to 508,831.19, 763,596.70 and 176,407.19

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Solution

The fourth proportional to 508,831.19, 763,596.70 and 176,407.19 is: 264,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,831.19 : 763,596.70 = 176,407.19 : x
  2. Step 2: Convert to fraction form
    508,831.19/763,596.70 = 176,407.19/x
  3. Step 3: Cross multiply
    508,831.19x = 763,596.70 × 176,407.19
  4. Step 4: Simplify right side
    508,831.19x = 134,703,948,140.27
  5. Step 5: Solve for x
    x = 134,703,948,140.27/508,831.19
  6. Step 6: Final answer
    x = 264,732.10

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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.