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Finding the Fourth Proportional to 607,036.40, 910,554.60 and 323,601.20

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Solution

The fourth proportional to 607,036.40, 910,554.60 and 323,601.20 is: 485,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,036.40 : 910,554.60 = 323,601.20 : x
  2. Step 2: Convert to fraction form
    607,036.40/910,554.60 = 323,601.20/x
  3. Step 3: Cross multiply
    607,036.40x = 910,554.60 × 323,601.20
  4. Step 4: Simplify right side
    607,036.40x = 294,656,561,225.52
  5. Step 5: Solve for x
    x = 294,656,561,225.52/607,036.40
  6. Step 6: Final answer
    x = 485,401.80

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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.