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Finding the Fourth Proportional to 545,276.94, 752,372.22 and 330,292.08

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Solution

The fourth proportional to 545,276.94, 752,372.22 and 330,292.08 is: 455,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,276.94 : 752,372.22 = 330,292.08 : x
  2. Step 2: Convert to fraction form
    545,276.94/752,372.22 = 330,292.08/x
  3. Step 3: Cross multiply
    545,276.94x = 752,372.22 × 330,292.08
  4. Step 4: Simplify right side
    545,276.94x = 248,502,585,478.02
  5. Step 5: Solve for x
    x = 248,502,585,478.02/545,276.94
  6. Step 6: Final answer
    x = 455,736.47

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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.