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Finding the Fourth Proportional to 570,411,562.80, 855,675,347.44 and 196,870,833.60

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Solution

The fourth proportional to 570,411,562.80, 855,675,347.44 and 196,870,833.60 is: 295,326,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,411,562.80 : 855,675,347.44 = 196,870,833.60 : x
  2. Step 2: Convert to fraction form
    570,411,562.80/855,675,347.44 = 196,870,833.60/x
  3. Step 3: Cross multiply
    570,411,562.80x = 855,675,347.44 × 196,870,833.60
  4. Step 4: Simplify right side
    570,411,562.80x = 168,457,518,941,482,432
  5. Step 5: Solve for x
    x = 168,457,518,941,482,432/570,411,562.80
  6. Step 6: Final answer
    x = 295,326,269.54

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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.