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Finding the Fourth Proportional to 575,339,929.60, 863,121,868.80 and 166,409,420.80

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Solution

The fourth proportional to 575,339,929.60, 863,121,868.80 and 166,409,420.80 is: 249,646,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,339,929.60 : 863,121,868.80 = 166,409,420.80 : x
  2. Step 2: Convert to fraction form
    575,339,929.60/863,121,868.80 = 166,409,420.80/x
  3. Step 3: Cross multiply
    575,339,929.60x = 863,121,868.80 × 166,409,420.80
  4. Step 4: Simplify right side
    575,339,929.60x = 143,631,610,266,821,600
  5. Step 5: Solve for x
    x = 143,631,610,266,821,600/575,339,929.60
  6. Step 6: Final answer
    x = 249,646,518.31

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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.