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Finding the Fourth Proportional to 677,349.68, 934,785.77 and 447,503.77

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Solution

The fourth proportional to 677,349.68, 934,785.77 and 447,503.77 is: 617,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,349.68 : 934,785.77 = 447,503.77 : x
  2. Step 2: Convert to fraction form
    677,349.68/934,785.77 = 447,503.77/x
  3. Step 3: Cross multiply
    677,349.68x = 934,785.77 × 447,503.77
  4. Step 4: Simplify right side
    677,349.68x = 418,320,155,148.32
  5. Step 5: Solve for x
    x = 418,320,155,148.32/677,349.68
  6. Step 6: Final answer
    x = 617,583.75

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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.