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Finding the Fourth Proportional to 476,486,722.80, 714,730,084.20 and 476,486,722.80

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Solution

The fourth proportional to 476,486,722.80, 714,730,084.20 and 476,486,722.80 is: 714,730,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,486,722.80 : 714,730,084.20 = 476,486,722.80 : x
  2. Step 2: Convert to fraction form
    476,486,722.80/714,730,084.20 = 476,486,722.80/x
  3. Step 3: Cross multiply
    476,486,722.80x = 714,730,084.20 × 476,486,722.80
  4. Step 4: Simplify right side
    476,486,722.80x = 340,559,395,507,026,112
  5. Step 5: Solve for x
    x = 340,559,395,507,026,112/476,486,722.80
  6. Step 6: Final answer
    x = 714,730,084.20

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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.