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Finding the Fourth Proportional to 620,365.41, 926,345.73 and 492,571.71

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Solution

The fourth proportional to 620,365.41, 926,345.73 and 492,571.71 is: 735,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,365.41 : 926,345.73 = 492,571.71 : x
  2. Step 2: Convert to fraction form
    620,365.41/926,345.73 = 492,571.71/x
  3. Step 3: Cross multiply
    620,365.41x = 926,345.73 × 492,571.71
  4. Step 4: Simplify right side
    620,365.41x = 456,291,700,277.30
  5. Step 5: Solve for x
    x = 456,291,700,277.30/620,365.41
  6. Step 6: Final answer
    x = 735,520.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.