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Finding the Fourth Proportional to 265,787,019.60, 371,194,834.80 and 265,787,019.60

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Solution

The fourth proportional to 265,787,019.60, 371,194,834.80 and 265,787,019.60 is: 371,194,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,787,019.60 : 371,194,834.80 = 265,787,019.60 : x
  2. Step 2: Convert to fraction form
    265,787,019.60/371,194,834.80 = 265,787,019.60/x
  3. Step 3: Cross multiply
    265,787,019.60x = 371,194,834.80 × 265,787,019.60
  4. Step 4: Simplify right side
    265,787,019.60x = 98,658,768,832,406,368
  5. Step 5: Solve for x
    x = 98,658,768,832,406,368/265,787,019.60
  6. Step 6: Final answer
    x = 371,194,834.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.