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Finding the Fourth Proportional to 553,507.80, 828,293.40 and 506,268.60

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Solution

The fourth proportional to 553,507.80, 828,293.40 and 506,268.60 is: 757,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,507.80 : 828,293.40 = 506,268.60 : x
  2. Step 2: Convert to fraction form
    553,507.80/828,293.40 = 506,268.60/x
  3. Step 3: Cross multiply
    553,507.80x = 828,293.40 × 506,268.60
  4. Step 4: Simplify right side
    553,507.80x = 419,338,940,007.24
  5. Step 5: Solve for x
    x = 419,338,940,007.24/553,507.80
  6. Step 6: Final answer
    x = 757,602.58

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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.