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Finding the Fourth Proportional to 403,977.60, 566,618.40 and 403,977.60

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Solution

The fourth proportional to 403,977.60, 566,618.40 and 403,977.60 is: 566,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,977.60 : 566,618.40 = 403,977.60 : x
  2. Step 2: Convert to fraction form
    403,977.60/566,618.40 = 403,977.60/x
  3. Step 3: Cross multiply
    403,977.60x = 566,618.40 × 403,977.60
  4. Step 4: Simplify right side
    403,977.60x = 228,901,141,347.84
  5. Step 5: Solve for x
    x = 228,901,141,347.84/403,977.60
  6. Step 6: Final answer
    x = 566,618.40

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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.