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Finding the Fourth Proportional to 541,126.64, 747,055.08 and 326,321.12

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Solution

The fourth proportional to 541,126.64, 747,055.08 and 326,321.12 is: 450,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,126.64 : 747,055.08 = 326,321.12 : x
  2. Step 2: Convert to fraction form
    541,126.64/747,055.08 = 326,321.12/x
  3. Step 3: Cross multiply
    541,126.64x = 747,055.08 × 326,321.12
  4. Step 4: Simplify right side
    541,126.64x = 243,779,850,407.29
  5. Step 5: Solve for x
    x = 243,779,850,407.29/541,126.64
  6. Step 6: Final answer
    x = 450,504.25

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Double scale
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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.