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Finding the Fourth Proportional to 350,655,497.70, 525,983,246.55 and 146,330,211.30

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Solution

The fourth proportional to 350,655,497.70, 525,983,246.55 and 146,330,211.30 is: 219,495,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,655,497.70 : 525,983,246.55 = 146,330,211.30 : x
  2. Step 2: Convert to fraction form
    350,655,497.70/525,983,246.55 = 146,330,211.30/x
  3. Step 3: Cross multiply
    350,655,497.70x = 525,983,246.55 × 146,330,211.30
  4. Step 4: Simplify right side
    350,655,497.70x = 76,967,239,607,921,504
  5. Step 5: Solve for x
    x = 76,967,239,607,921,504/350,655,497.70
  6. Step 6: Final answer
    x = 219,495,316.95

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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.