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Finding the Fourth Proportional to 434,561.60, 651,842.40 and 368,951.60

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Solution

The fourth proportional to 434,561.60, 651,842.40 and 368,951.60 is: 553,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,561.60 : 651,842.40 = 368,951.60 : x
  2. Step 2: Convert to fraction form
    434,561.60/651,842.40 = 368,951.60/x
  3. Step 3: Cross multiply
    434,561.60x = 651,842.40 × 368,951.60
  4. Step 4: Simplify right side
    434,561.60x = 240,498,296,427.84
  5. Step 5: Solve for x
    x = 240,498,296,427.84/434,561.60
  6. Step 6: Final answer
    x = 553,427.40

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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.