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Finding the Fourth Proportional to 526,134,927.20, 737,798,221.60 and 526,134,927.20

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Solution

The fourth proportional to 526,134,927.20, 737,798,221.60 and 526,134,927.20 is: 737,798,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,134,927.20 : 737,798,221.60 = 526,134,927.20 : x
  2. Step 2: Convert to fraction form
    526,134,927.20/737,798,221.60 = 526,134,927.20/x
  3. Step 3: Cross multiply
    526,134,927.20x = 737,798,221.60 × 526,134,927.20
  4. Step 4: Simplify right side
    526,134,927.20x = 388,181,413,609,805,440
  5. Step 5: Solve for x
    x = 388,181,413,609,805,440/526,134,927.20
  6. Step 6: Final answer
    x = 737,798,221.60

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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.