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Finding the Fourth Proportional to 559,901.40, 839,852.10 and 370,944.60

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Solution

The fourth proportional to 559,901.40, 839,852.10 and 370,944.60 is: 556,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,901.40 : 839,852.10 = 370,944.60 : x
  2. Step 2: Convert to fraction form
    559,901.40/839,852.10 = 370,944.60/x
  3. Step 3: Cross multiply
    559,901.40x = 839,852.10 × 370,944.60
  4. Step 4: Simplify right side
    559,901.40x = 311,538,601,293.66
  5. Step 5: Solve for x
    x = 311,538,601,293.66/559,901.40
  6. Step 6: Final answer
    x = 556,416.90

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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.