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Finding the Fourth Proportional to 319,407,624, 479,063,380.32 and 89,346,888

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Solution

The fourth proportional to 319,407,624, 479,063,380.32 and 89,346,888 is: 134,006,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,407,624 : 479,063,380.32 = 89,346,888 : x
  2. Step 2: Convert to fraction form
    319,407,624/479,063,380.32 = 89,346,888/x
  3. Step 3: Cross multiply
    319,407,624x = 479,063,380.32 × 89,346,888
  4. Step 4: Simplify right side
    319,407,624x = 42,802,822,186,352,440
  5. Step 5: Solve for x
    x = 42,802,822,186,352,440/319,407,624
  6. Step 6: Final answer
    x = 134,006,889.54

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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.