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Finding the Fourth Proportional to 935,754.80, 1,401,007.80 and 909,510.80

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Solution

The fourth proportional to 935,754.80, 1,401,007.80 and 909,510.80 is: 1,361,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,754.80 : 1,401,007.80 = 909,510.80 : x
  2. Step 2: Convert to fraction form
    935,754.80/1,401,007.80 = 909,510.80/x
  3. Step 3: Cross multiply
    935,754.80x = 1,401,007.80 × 909,510.80
  4. Step 4: Simplify right side
    935,754.80x = 1,274,231,724,984.24
  5. Step 5: Solve for x
    x = 1,274,231,724,984.24/935,754.80
  6. Step 6: Final answer
    x = 1,361,715.40

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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.