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Finding the Fourth Proportional to 501,676.19, 692,313.14 and 300,472.19

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Solution

The fourth proportional to 501,676.19, 692,313.14 and 300,472.19 is: 414,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,676.19 : 692,313.14 = 300,472.19 : x
  2. Step 2: Convert to fraction form
    501,676.19/692,313.14 = 300,472.19/x
  3. Step 3: Cross multiply
    501,676.19x = 692,313.14 × 300,472.19
  4. Step 4: Simplify right side
    501,676.19x = 208,020,845,341.58
  5. Step 5: Solve for x
    x = 208,020,845,341.58/501,676.19
  6. Step 6: Final answer
    x = 414,651.62

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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.