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Finding the Fourth Proportional to 658,011.86, 908,023.86 and 367,565.81

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Solution

The fourth proportional to 658,011.86, 908,023.86 and 367,565.81 is: 507,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,011.86 : 908,023.86 = 367,565.81 : x
  2. Step 2: Convert to fraction form
    658,011.86/908,023.86 = 367,565.81/x
  3. Step 3: Cross multiply
    658,011.86x = 908,023.86 × 367,565.81
  4. Step 4: Simplify right side
    658,011.86x = 333,758,525,600.23
  5. Step 5: Solve for x
    x = 333,758,525,600.23/658,011.86
  6. Step 6: Final answer
    x = 507,222.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.