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Finding the Fourth Proportional to 526,033,429.60, 738,059,232.80 and 526,033,429.60

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Solution

The fourth proportional to 526,033,429.60, 738,059,232.80 and 526,033,429.60 is: 738,059,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,033,429.60 : 738,059,232.80 = 526,033,429.60 : x
  2. Step 2: Convert to fraction form
    526,033,429.60/738,059,232.80 = 526,033,429.60/x
  3. Step 3: Cross multiply
    526,033,429.60x = 738,059,232.80 × 526,033,429.60
  4. Step 4: Simplify right side
    526,033,429.60x = 388,243,829,477,728,832
  5. Step 5: Solve for x
    x = 388,243,829,477,728,832/526,033,429.60
  6. Step 6: Final answer
    x = 738,059,232.80

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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.