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Finding the Fourth Proportional to 450,495,445.50, 621,683,714.79 and 244,462,549.50

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Solution

The fourth proportional to 450,495,445.50, 621,683,714.79 and 244,462,549.50 is: 337,358,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,495,445.50 : 621,683,714.79 = 244,462,549.50 : x
  2. Step 2: Convert to fraction form
    450,495,445.50/621,683,714.79 = 244,462,549.50/x
  3. Step 3: Cross multiply
    450,495,445.50x = 621,683,714.79 × 244,462,549.50
  4. Step 4: Simplify right side
    450,495,445.50x = 151,978,385,900,194,240
  5. Step 5: Solve for x
    x = 151,978,385,900,194,240/450,495,445.50
  6. Step 6: Final answer
    x = 337,358,318.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.