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Finding the Fourth Proportional to 592,855.20, 889,412.40 and 193,514.40

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Solution

The fourth proportional to 592,855.20, 889,412.40 and 193,514.40 is: 290,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,855.20 : 889,412.40 = 193,514.40 : x
  2. Step 2: Convert to fraction form
    592,855.20/889,412.40 = 193,514.40/x
  3. Step 3: Cross multiply
    592,855.20x = 889,412.40 × 193,514.40
  4. Step 4: Simplify right side
    592,855.20x = 172,114,106,938.56
  5. Step 5: Solve for x
    x = 172,114,106,938.56/592,855.20
  6. Step 6: Final answer
    x = 290,313.90

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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.