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Finding the Fourth Proportional to 519,901.40, 779,852.10 and 183,322.10

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Solution

The fourth proportional to 519,901.40, 779,852.10 and 183,322.10 is: 274,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,901.40 : 779,852.10 = 183,322.10 : x
  2. Step 2: Convert to fraction form
    519,901.40/779,852.10 = 183,322.10/x
  3. Step 3: Cross multiply
    519,901.40x = 779,852.10 × 183,322.10
  4. Step 4: Simplify right side
    519,901.40x = 142,964,124,661.41
  5. Step 5: Solve for x
    x = 142,964,124,661.41/519,901.40
  6. Step 6: Final answer
    x = 274,983.15

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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.