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Finding the Fourth Proportional to 576,412,141.60, 864,671,364.40 and 188,237,006.40

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Solution

The fourth proportional to 576,412,141.60, 864,671,364.40 and 188,237,006.40 is: 282,372,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,412,141.60 : 864,671,364.40 = 188,237,006.40 : x
  2. Step 2: Convert to fraction form
    576,412,141.60/864,671,364.40 = 188,237,006.40/x
  3. Step 3: Cross multiply
    576,412,141.60x = 864,671,364.40 × 188,237,006.40
  4. Step 4: Simplify right side
    576,412,141.60x = 162,763,149,154,459,520
  5. Step 5: Solve for x
    x = 162,763,149,154,459,520/576,412,141.60
  6. Step 6: Final answer
    x = 282,372,867.27

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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.