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Finding the Fourth Proportional to 508,516.61, 761,831.10 and 364,124.39

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Solution

The fourth proportional to 508,516.61, 761,831.10 and 364,124.39 is: 545,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,516.61 : 761,831.10 = 364,124.39 : x
  2. Step 2: Convert to fraction form
    508,516.61/761,831.10 = 364,124.39/x
  3. Step 3: Cross multiply
    508,516.61x = 761,831.10 × 364,124.39
  4. Step 4: Simplify right side
    508,516.61x = 277,401,280,761.37
  5. Step 5: Solve for x
    x = 277,401,280,761.37/508,516.61
  6. Step 6: Final answer
    x = 545,510.76

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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.