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Finding the Fourth Proportional to 504,637,798.32, 756,951,649.56 and 159,591,484.08

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Solution

The fourth proportional to 504,637,798.32, 756,951,649.56 and 159,591,484.08 is: 239,385,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,637,798.32 : 756,951,649.56 = 159,591,484.08 : x
  2. Step 2: Convert to fraction form
    504,637,798.32/756,951,649.56 = 159,591,484.08/x
  3. Step 3: Cross multiply
    504,637,798.32x = 756,951,649.56 × 159,591,484.08
  4. Step 4: Simplify right side
    504,637,798.32x = 120,803,037,130,084,480
  5. Step 5: Solve for x
    x = 120,803,037,130,084,480/504,637,798.32
  6. Step 6: Final answer
    x = 239,385,629.72

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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.