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Finding the Fourth Proportional to 291,804.67, 402,693.51 and 164,480.26

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Solution

The fourth proportional to 291,804.67, 402,693.51 and 164,480.26 is: 226,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,804.67 : 402,693.51 = 164,480.26 : x
  2. Step 2: Convert to fraction form
    291,804.67/402,693.51 = 164,480.26/x
  3. Step 3: Cross multiply
    291,804.67x = 402,693.51 × 164,480.26
  4. Step 4: Simplify right side
    291,804.67x = 66,235,133,225.11
  5. Step 5: Solve for x
    x = 66,235,133,225.11/291,804.67
  6. Step 6: Final answer
    x = 226,984.49

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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.