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Finding the Fourth Proportional to 545,051.03, 752,164.56 and 303,329.52

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Solution

The fourth proportional to 545,051.03, 752,164.56 and 303,329.52 is: 418,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,051.03 : 752,164.56 = 303,329.52 : x
  2. Step 2: Convert to fraction form
    545,051.03/752,164.56 = 303,329.52/x
  3. Step 3: Cross multiply
    545,051.03x = 752,164.56 × 303,329.52
  4. Step 4: Simplify right side
    545,051.03x = 228,153,714,945.81
  5. Step 5: Solve for x
    x = 228,153,714,945.81/545,051.03
  6. Step 6: Final answer
    x = 418,591.48

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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.