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Finding the Fourth Proportional to 403,559.60, 556,645.56 and 252,394.16

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Solution

The fourth proportional to 403,559.60, 556,645.56 and 252,394.16 is: 348,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,559.60 : 556,645.56 = 252,394.16 : x
  2. Step 2: Convert to fraction form
    403,559.60/556,645.56 = 252,394.16/x
  3. Step 3: Cross multiply
    403,559.60x = 556,645.56 × 252,394.16
  4. Step 4: Simplify right side
    403,559.60x = 140,494,088,533.93
  5. Step 5: Solve for x
    x = 140,494,088,533.93/403,559.60
  6. Step 6: Final answer
    x = 348,137.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.