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Finding the Fourth Proportional to 555,069.53, 766,014.51 and 340,168.08

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Solution

The fourth proportional to 555,069.53, 766,014.51 and 340,168.08 is: 469,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,069.53 : 766,014.51 = 340,168.08 : x
  2. Step 2: Convert to fraction form
    555,069.53/766,014.51 = 340,168.08/x
  3. Step 3: Cross multiply
    555,069.53x = 766,014.51 × 340,168.08
  4. Step 4: Simplify right side
    555,069.53x = 260,573,685,118.84
  5. Step 5: Solve for x
    x = 260,573,685,118.84/555,069.53
  6. Step 6: Final answer
    x = 469,443.33

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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.