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Finding the Fourth Proportional to 402,004.60, 562,106.60 and 402,004.60

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Solution

The fourth proportional to 402,004.60, 562,106.60 and 402,004.60 is: 562,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,004.60 : 562,106.60 = 402,004.60 : x
  2. Step 2: Convert to fraction form
    402,004.60/562,106.60 = 402,004.60/x
  3. Step 3: Cross multiply
    402,004.60x = 562,106.60 × 402,004.60
  4. Step 4: Simplify right side
    402,004.60x = 225,969,438,890.36
  5. Step 5: Solve for x
    x = 225,969,438,890.36/402,004.60
  6. Step 6: Final answer
    x = 562,106.60

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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.