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Finding the Fourth Proportional to 935,969.81, 1,282,272.50 and 900,970.01

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Solution

The fourth proportional to 935,969.81, 1,282,272.50 and 900,970.01 is: 1,234,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,969.81 : 1,282,272.50 = 900,970.01 : x
  2. Step 2: Convert to fraction form
    935,969.81/1,282,272.50 = 900,970.01/x
  3. Step 3: Cross multiply
    935,969.81x = 1,282,272.50 × 900,970.01
  4. Step 4: Simplify right side
    935,969.81x = 1,155,289,074,473.84
  5. Step 5: Solve for x
    x = 1,155,289,074,473.84/935,969.81
  6. Step 6: Final answer
    x = 1,234,323.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.