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Finding the Fourth Proportional to 355,842,186.40, 532,867,484.40 and 234,014,039.20

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Solution

The fourth proportional to 355,842,186.40, 532,867,484.40 and 234,014,039.20 is: 350,431,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,842,186.40 : 532,867,484.40 = 234,014,039.20 : x
  2. Step 2: Convert to fraction form
    355,842,186.40/532,867,484.40 = 234,014,039.20/x
  3. Step 3: Cross multiply
    355,842,186.40x = 532,867,484.40 × 234,014,039.20
  4. Step 4: Simplify right side
    355,842,186.40x = 124,698,472,382,786,976
  5. Step 5: Solve for x
    x = 124,698,472,382,786,976/355,842,186.40
  6. Step 6: Final answer
    x = 350,431,953.12

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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.