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Finding the Fourth Proportional to 562,737.44, 776,651.63 and 320,964.59

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Solution

The fourth proportional to 562,737.44, 776,651.63 and 320,964.59 is: 442,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,737.44 : 776,651.63 = 320,964.59 : x
  2. Step 2: Convert to fraction form
    562,737.44/776,651.63 = 320,964.59/x
  3. Step 3: Cross multiply
    562,737.44x = 776,651.63 × 320,964.59
  4. Step 4: Simplify right side
    562,737.44x = 249,277,672,332.59
  5. Step 5: Solve for x
    x = 249,277,672,332.59/562,737.44
  6. Step 6: Final answer
    x = 442,973.32

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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.