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Finding the Fourth Proportional to 590,144.80, 885,001.20 and 190,890.40

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Solution

The fourth proportional to 590,144.80, 885,001.20 and 190,890.40 is: 286,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,144.80 : 885,001.20 = 190,890.40 : x
  2. Step 2: Convert to fraction form
    590,144.80/885,001.20 = 190,890.40/x
  3. Step 3: Cross multiply
    590,144.80x = 885,001.20 × 190,890.40
  4. Step 4: Simplify right side
    590,144.80x = 168,938,233,068.48
  5. Step 5: Solve for x
    x = 168,938,233,068.48/590,144.80
  6. Step 6: Final answer
    x = 286,265.73

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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.