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Finding the Fourth Proportional to 402,595.60, 603,893.40 and 402,595.60

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Solution

The fourth proportional to 402,595.60, 603,893.40 and 402,595.60 is: 603,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,595.60 : 603,893.40 = 402,595.60 : x
  2. Step 2: Convert to fraction form
    402,595.60/603,893.40 = 402,595.60/x
  3. Step 3: Cross multiply
    402,595.60x = 603,893.40 × 402,595.60
  4. Step 4: Simplify right side
    402,595.60x = 243,124,825,709.04
  5. Step 5: Solve for x
    x = 243,124,825,709.04/402,595.60
  6. Step 6: Final answer
    x = 603,893.40

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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.