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Finding the Fourth Proportional to 391,094.23, 586,476.09 and 166,445.59

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Solution

The fourth proportional to 391,094.23, 586,476.09 and 166,445.59 is: 249,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,094.23 : 586,476.09 = 166,445.59 : x
  2. Step 2: Convert to fraction form
    391,094.23/586,476.09 = 166,445.59/x
  3. Step 3: Cross multiply
    391,094.23x = 586,476.09 × 166,445.59
  4. Step 4: Simplify right side
    391,094.23x = 97,616,358,820.94
  5. Step 5: Solve for x
    x = 97,616,358,820.94/391,094.23
  6. Step 6: Final answer
    x = 249,598.05

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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.