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Finding the Fourth Proportional to 526,139,449.20, 737,804,552.40 and 526,139,449.20

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Solution

The fourth proportional to 526,139,449.20, 737,804,552.40 and 526,139,449.20 is: 737,804,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,139,449.20 : 737,804,552.40 = 526,139,449.20 : x
  2. Step 2: Convert to fraction form
    526,139,449.20/737,804,552.40 = 526,139,449.20/x
  3. Step 3: Cross multiply
    526,139,449.20x = 737,804,552.40 × 526,139,449.20
  4. Step 4: Simplify right side
    526,139,449.20x = 388,188,080,816,988,544
  5. Step 5: Solve for x
    x = 388,188,080,816,988,544/526,139,449.20
  6. Step 6: Final answer
    x = 737,804,552.40

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1.5x scale

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.