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Finding the Fourth Proportional to 358,749,807.60, 537,274,405.80 and 358,749,807.60

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Solution

The fourth proportional to 358,749,807.60, 537,274,405.80 and 358,749,807.60 is: 537,274,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,749,807.60 : 537,274,405.80 = 358,749,807.60 : x
  2. Step 2: Convert to fraction form
    358,749,807.60/537,274,405.80 = 358,749,807.60/x
  3. Step 3: Cross multiply
    358,749,807.60x = 537,274,405.80 × 358,749,807.60
  4. Step 4: Simplify right side
    358,749,807.60x = 192,747,089,709,154,304
  5. Step 5: Solve for x
    x = 192,747,089,709,154,304/358,749,807.60
  6. Step 6: Final answer
    x = 537,274,405.80

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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.