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Finding the Fourth Proportional to 896,891.84, 1,237,663.83 and 509,655.48

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Solution

The fourth proportional to 896,891.84, 1,237,663.83 and 509,655.48 is: 703,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,891.84 : 1,237,663.83 = 509,655.48 : x
  2. Step 2: Convert to fraction form
    896,891.84/1,237,663.83 = 509,655.48/x
  3. Step 3: Cross multiply
    896,891.84x = 1,237,663.83 × 509,655.48
  4. Step 4: Simplify right side
    896,891.84x = 630,782,150,627.26
  5. Step 5: Solve for x
    x = 630,782,150,627.26/896,891.84
  6. Step 6: Final answer
    x = 703,297.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.