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Finding the Fourth Proportional to 593,145.80, 889,718.70 and 565,589.60

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Solution

The fourth proportional to 593,145.80, 889,718.70 and 565,589.60 is: 848,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,145.80 : 889,718.70 = 565,589.60 : x
  2. Step 2: Convert to fraction form
    593,145.80/889,718.70 = 565,589.60/x
  3. Step 3: Cross multiply
    593,145.80x = 889,718.70 × 565,589.60
  4. Step 4: Simplify right side
    593,145.80x = 503,215,643,645.52
  5. Step 5: Solve for x
    x = 503,215,643,645.52/593,145.80
  6. Step 6: Final answer
    x = 848,384.40

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Double scale
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Similar ratio
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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.