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Finding the Fourth Proportional to 273,897.40, 410,846.10 and 155,799.40

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Solution

The fourth proportional to 273,897.40, 410,846.10 and 155,799.40 is: 233,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,897.40 : 410,846.10 = 155,799.40 : x
  2. Step 2: Convert to fraction form
    273,897.40/410,846.10 = 155,799.40/x
  3. Step 3: Cross multiply
    273,897.40x = 410,846.10 × 155,799.40
  4. Step 4: Simplify right side
    273,897.40x = 64,009,575,872.34
  5. Step 5: Solve for x
    x = 64,009,575,872.34/273,897.40
  6. Step 6: Final answer
    x = 233,699.10

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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.