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Finding the Fourth Proportional to 614,726.90, 922,090.35 and 171,494.90

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Solution

The fourth proportional to 614,726.90, 922,090.35 and 171,494.90 is: 257,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,726.90 : 922,090.35 = 171,494.90 : x
  2. Step 2: Convert to fraction form
    614,726.90/922,090.35 = 171,494.90/x
  3. Step 3: Cross multiply
    614,726.90x = 922,090.35 × 171,494.90
  4. Step 4: Simplify right side
    614,726.90x = 158,133,792,364.22
  5. Step 5: Solve for x
    x = 158,133,792,364.22/614,726.90
  6. Step 6: Final answer
    x = 257,242.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.