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Finding the Fourth Proportional to 411,666.96, 617,208.84 and 158,733.12

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Solution

The fourth proportional to 411,666.96, 617,208.84 and 158,733.12 is: 237,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,666.96 : 617,208.84 = 158,733.12 : x
  2. Step 2: Convert to fraction form
    411,666.96/617,208.84 = 158,733.12/x
  3. Step 3: Cross multiply
    411,666.96x = 617,208.84 × 158,733.12
  4. Step 4: Simplify right side
    411,666.96x = 97,971,484,864.78
  5. Step 5: Solve for x
    x = 97,971,484,864.78/411,666.96
  6. Step 6: Final answer
    x = 237,987.24

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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.