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Finding the Fourth Proportional to 508,896,101.60, 763,344,152.40 and 347,652,965.60

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Solution

The fourth proportional to 508,896,101.60, 763,344,152.40 and 347,652,965.60 is: 521,479,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,896,101.60 : 763,344,152.40 = 347,652,965.60 : x
  2. Step 2: Convert to fraction form
    508,896,101.60/763,344,152.40 = 347,652,965.60/x
  3. Step 3: Cross multiply
    508,896,101.60x = 763,344,152.40 × 347,652,965.60
  4. Step 4: Simplify right side
    508,896,101.60x = 265,378,858,355,278,368
  5. Step 5: Solve for x
    x = 265,378,858,355,278,368/508,896,101.60
  6. Step 6: Final answer
    x = 521,479,448.40

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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.