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Finding the Fourth Proportional to 497,481.48, 686,526.72 and 282,633.33

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Solution

The fourth proportional to 497,481.48, 686,526.72 and 282,633.33 is: 390,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,481.48 : 686,526.72 = 282,633.33 : x
  2. Step 2: Convert to fraction form
    497,481.48/686,526.72 = 282,633.33/x
  3. Step 3: Cross multiply
    497,481.48x = 686,526.72 × 282,633.33
  4. Step 4: Simplify right side
    497,481.48x = 194,035,333,007.58
  5. Step 5: Solve for x
    x = 194,035,333,007.58/497,481.48
  6. Step 6: Final answer
    x = 390,035.29

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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.