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Finding the Fourth Proportional to 519,186.16, 716,483.66 and 301,445.88

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Solution

The fourth proportional to 519,186.16, 716,483.66 and 301,445.88 is: 415,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,186.16 : 716,483.66 = 301,445.88 : x
  2. Step 2: Convert to fraction form
    519,186.16/716,483.66 = 301,445.88/x
  3. Step 3: Cross multiply
    519,186.16x = 716,483.66 × 301,445.88
  4. Step 4: Simplify right side
    519,186.16x = 215,981,047,394.32
  5. Step 5: Solve for x
    x = 215,981,047,394.32/519,186.16
  6. Step 6: Final answer
    x = 415,999.24

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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.