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Finding the Fourth Proportional to 593,191.20, 889,700.40 and 172,423.20

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Solution

The fourth proportional to 593,191.20, 889,700.40 and 172,423.20 is: 258,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,191.20 : 889,700.40 = 172,423.20 : x
  2. Step 2: Convert to fraction form
    593,191.20/889,700.40 = 172,423.20/x
  3. Step 3: Cross multiply
    593,191.20x = 889,700.40 × 172,423.20
  4. Step 4: Simplify right side
    593,191.20x = 153,404,990,009.28
  5. Step 5: Solve for x
    x = 153,404,990,009.28/593,191.20
  6. Step 6: Final answer
    x = 258,609.69

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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.