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Finding the Fourth Proportional to 500,643.99, 751,133.66 and 163,700.19

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Solution

The fourth proportional to 500,643.99, 751,133.66 and 163,700.19 is: 245,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,643.99 : 751,133.66 = 163,700.19 : x
  2. Step 2: Convert to fraction form
    500,643.99/751,133.66 = 163,700.19/x
  3. Step 3: Cross multiply
    500,643.99x = 751,133.66 × 163,700.19
  4. Step 4: Simplify right side
    500,643.99x = 122,960,722,038.89
  5. Step 5: Solve for x
    x = 122,960,722,038.89/500,643.99
  6. Step 6: Final answer
    x = 245,605.11

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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.