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Finding the Fourth Proportional to 554,883.40, 832,325.10 and 239,955.40

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Solution

The fourth proportional to 554,883.40, 832,325.10 and 239,955.40 is: 359,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,883.40 : 832,325.10 = 239,955.40 : x
  2. Step 2: Convert to fraction form
    554,883.40/832,325.10 = 239,955.40/x
  3. Step 3: Cross multiply
    554,883.40x = 832,325.10 × 239,955.40
  4. Step 4: Simplify right side
    554,883.40x = 199,720,902,300.54
  5. Step 5: Solve for x
    x = 199,720,902,300.54/554,883.40
  6. Step 6: Final answer
    x = 359,933.10

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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.