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Finding the Fourth Proportional to 504,453,775.80, 756,680,663.70 and 309,733,793.40

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Solution

The fourth proportional to 504,453,775.80, 756,680,663.70 and 309,733,793.40 is: 464,600,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,453,775.80 : 756,680,663.70 = 309,733,793.40 : x
  2. Step 2: Convert to fraction form
    504,453,775.80/756,680,663.70 = 309,733,793.40/x
  3. Step 3: Cross multiply
    504,453,775.80x = 756,680,663.70 × 309,733,793.40
  4. Step 4: Simplify right side
    504,453,775.80x = 234,369,572,360,230,688
  5. Step 5: Solve for x
    x = 234,369,572,360,230,688/504,453,775.80
  6. Step 6: Final answer
    x = 464,600,690.10

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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.