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Finding the Fourth Proportional to 593,161.20, 889,741.80 and 520,844.40

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Solution

The fourth proportional to 593,161.20, 889,741.80 and 520,844.40 is: 781,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,161.20 : 889,741.80 = 520,844.40 : x
  2. Step 2: Convert to fraction form
    593,161.20/889,741.80 = 520,844.40/x
  3. Step 3: Cross multiply
    593,161.20x = 889,741.80 × 520,844.40
  4. Step 4: Simplify right side
    593,161.20x = 463,417,033,975.92
  5. Step 5: Solve for x
    x = 463,417,033,975.92/593,161.20
  6. Step 6: Final answer
    x = 781,266.60

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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.