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Finding the Fourth Proportional to 594,005.40, 891,008.10 and 489,029.40

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Solution

The fourth proportional to 594,005.40, 891,008.10 and 489,029.40 is: 733,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,005.40 : 891,008.10 = 489,029.40 : x
  2. Step 2: Convert to fraction form
    594,005.40/891,008.10 = 489,029.40/x
  3. Step 3: Cross multiply
    594,005.40x = 891,008.10 × 489,029.40
  4. Step 4: Simplify right side
    594,005.40x = 435,729,156,538.14
  5. Step 5: Solve for x
    x = 435,729,156,538.14/594,005.40
  6. Step 6: Final answer
    x = 733,544.10

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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.