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Finding the Fourth Proportional to 411,363.93, 617,123.04 and 186,740.07

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Solution

The fourth proportional to 411,363.93, 617,123.04 and 186,740.07 is: 280,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,363.93 : 617,123.04 = 186,740.07 : x
  2. Step 2: Convert to fraction form
    411,363.93/617,123.04 = 186,740.07/x
  3. Step 3: Cross multiply
    411,363.93x = 617,123.04 × 186,740.07
  4. Step 4: Simplify right side
    411,363.93x = 115,241,599,688.21
  5. Step 5: Solve for x
    x = 115,241,599,688.21/411,363.93
  6. Step 6: Final answer
    x = 280,145.13

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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.