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Finding the Fourth Proportional to 570,175,535.73, 786,842,246.03 and 309,415,151.73

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Solution

The fourth proportional to 570,175,535.73, 786,842,246.03 and 309,415,151.73 is: 426,992,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,175,535.73 : 786,842,246.03 = 309,415,151.73 : x
  2. Step 2: Convert to fraction form
    570,175,535.73/786,842,246.03 = 309,415,151.73/x
  3. Step 3: Cross multiply
    570,175,535.73x = 786,842,246.03 × 309,415,151.73
  4. Step 4: Simplify right side
    570,175,535.73x = 243,460,912,941,399,360
  5. Step 5: Solve for x
    x = 243,460,912,941,399,360/570,175,535.73
  6. Step 6: Final answer
    x = 426,992,913.03

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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.