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Finding the Fourth Proportional to 500,785.63, 751,928.86 and 433,525.15

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Solution

The fourth proportional to 500,785.63, 751,928.86 and 433,525.15 is: 650,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,785.63 : 751,928.86 = 433,525.15 : x
  2. Step 2: Convert to fraction form
    500,785.63/751,928.86 = 433,525.15/x
  3. Step 3: Cross multiply
    500,785.63x = 751,928.86 × 433,525.15
  4. Step 4: Simplify right side
    500,785.63x = 325,980,071,820.83
  5. Step 5: Solve for x
    x = 325,980,071,820.83/500,785.63
  6. Step 6: Final answer
    x = 650,937.35

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Double scale
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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.