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Finding the Fourth Proportional to 434,449.60, 651,674.40 and 368,839.60

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Solution

The fourth proportional to 434,449.60, 651,674.40 and 368,839.60 is: 553,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,449.60 : 651,674.40 = 368,839.60 : x
  2. Step 2: Convert to fraction form
    434,449.60/651,674.40 = 368,839.60/x
  3. Step 3: Cross multiply
    434,449.60x = 651,674.40 × 368,839.60
  4. Step 4: Simplify right side
    434,449.60x = 240,363,325,026.24
  5. Step 5: Solve for x
    x = 240,363,325,026.24/434,449.60
  6. Step 6: Final answer
    x = 553,259.40

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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.