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Finding the Fourth Proportional to 404,557.40, 565,330.60 and 404,557.40

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Solution

The fourth proportional to 404,557.40, 565,330.60 and 404,557.40 is: 565,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,557.40 : 565,330.60 = 404,557.40 : x
  2. Step 2: Convert to fraction form
    404,557.40/565,330.60 = 404,557.40/x
  3. Step 3: Cross multiply
    404,557.40x = 565,330.60 × 404,557.40
  4. Step 4: Simplify right side
    404,557.40x = 228,708,677,676.44
  5. Step 5: Solve for x
    x = 228,708,677,676.44/404,557.40
  6. Step 6: Final answer
    x = 565,330.60

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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.