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Finding the Fourth Proportional to 545,674.08, 817,422.48 and 433,544.16

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Solution

The fourth proportional to 545,674.08, 817,422.48 and 433,544.16 is: 649,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,674.08 : 817,422.48 = 433,544.16 : x
  2. Step 2: Convert to fraction form
    545,674.08/817,422.48 = 433,544.16/x
  3. Step 3: Cross multiply
    545,674.08x = 817,422.48 × 433,544.16
  4. Step 4: Simplify right side
    545,674.08x = 354,388,742,456.72
  5. Step 5: Solve for x
    x = 354,388,742,456.72/545,674.08
  6. Step 6: Final answer
    x = 649,451.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.