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Finding the Fourth Proportional to 545,007.01, 752,962.91 and 416,395.69

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Solution

The fourth proportional to 545,007.01, 752,962.91 and 416,395.69 is: 575,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,007.01 : 752,962.91 = 416,395.69 : x
  2. Step 2: Convert to fraction form
    545,007.01/752,962.91 = 416,395.69/x
  3. Step 3: Cross multiply
    545,007.01x = 752,962.91 × 416,395.69
  4. Step 4: Simplify right side
    545,007.01x = 313,530,510,002.81
  5. Step 5: Solve for x
    x = 313,530,510,002.81/545,007.01
  6. Step 6: Final answer
    x = 575,277.94

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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.