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Finding the Fourth Proportional to 468,317.16, 646,287.66 and 264,328.92

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Solution

The fourth proportional to 468,317.16, 646,287.66 and 264,328.92 is: 364,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,317.16 : 646,287.66 = 264,328.92 : x
  2. Step 2: Convert to fraction form
    468,317.16/646,287.66 = 264,328.92/x
  3. Step 3: Cross multiply
    468,317.16x = 646,287.66 × 264,328.92
  4. Step 4: Simplify right side
    468,317.16x = 170,832,519,177.13
  5. Step 5: Solve for x
    x = 170,832,519,177.13/468,317.16
  6. Step 6: Final answer
    x = 364,779.54

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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.