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Finding the Fourth Proportional to 733,560, 1,012,315.55 and 427,847.46

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Solution

The fourth proportional to 733,560, 1,012,315.55 and 427,847.46 is: 590,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,560 : 1,012,315.55 = 427,847.46 : x
  2. Step 2: Convert to fraction form
    733,560/1,012,315.55 = 427,847.46/x
  3. Step 3: Cross multiply
    733,560x = 1,012,315.55 × 427,847.46
  4. Step 4: Simplify right side
    733,560x = 433,116,634,646.77
  5. Step 5: Solve for x
    x = 433,116,634,646.77/733,560
  6. Step 6: Final answer
    x = 590,431.10

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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.