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Finding the Fourth Proportional to 407,860.04, 611,877.52 and 171,066.24

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Solution

The fourth proportional to 407,860.04, 611,877.52 and 171,066.24 is: 256,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,860.04 : 611,877.52 = 171,066.24 : x
  2. Step 2: Convert to fraction form
    407,860.04/611,877.52 = 171,066.24/x
  3. Step 3: Cross multiply
    407,860.04x = 611,877.52 × 171,066.24
  4. Step 4: Simplify right side
    407,860.04x = 104,671,586,686.93
  5. Step 5: Solve for x
    x = 104,671,586,686.93/407,860.04
  6. Step 6: Final answer
    x = 256,636.04

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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.