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Finding the Fourth Proportional to 441,643.84, 609,548 and 260,344.96

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Solution

The fourth proportional to 441,643.84, 609,548 and 260,344.96 is: 359,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,643.84 : 609,548 = 260,344.96 : x
  2. Step 2: Convert to fraction form
    441,643.84/609,548 = 260,344.96/x
  3. Step 3: Cross multiply
    441,643.84x = 609,548 × 260,344.96
  4. Step 4: Simplify right side
    441,643.84x = 158,692,749,678.08
  5. Step 5: Solve for x
    x = 158,692,749,678.08/441,643.84
  6. Step 6: Final answer
    x = 359,322.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.