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Finding the Fourth Proportional to 589,661.40, 884,492.10 and 403,037.40

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Solution

The fourth proportional to 589,661.40, 884,492.10 and 403,037.40 is: 604,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,661.40 : 884,492.10 = 403,037.40 : x
  2. Step 2: Convert to fraction form
    589,661.40/884,492.10 = 403,037.40/x
  3. Step 3: Cross multiply
    589,661.40x = 884,492.10 × 403,037.40
  4. Step 4: Simplify right side
    589,661.40x = 356,483,396,304.54
  5. Step 5: Solve for x
    x = 356,483,396,304.54/589,661.40
  6. Step 6: Final answer
    x = 604,556.10

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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.