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Finding the Fourth Proportional to 593,145.40, 889,718.10 and 558,153.40

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Solution

The fourth proportional to 593,145.40, 889,718.10 and 558,153.40 is: 837,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,145.40 : 889,718.10 = 558,153.40 : x
  2. Step 2: Convert to fraction form
    593,145.40/889,718.10 = 558,153.40/x
  3. Step 3: Cross multiply
    593,145.40x = 889,718.10 × 558,153.40
  4. Step 4: Simplify right side
    593,145.40x = 496,599,182,556.54
  5. Step 5: Solve for x
    x = 496,599,182,556.54/593,145.40
  6. Step 6: Final answer
    x = 837,230.10

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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.