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Finding the Fourth Proportional to 501,641.99, 692,039.90 and 297,701.51

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Solution

The fourth proportional to 501,641.99, 692,039.90 and 297,701.51 is: 410,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,641.99 : 692,039.90 = 297,701.51 : x
  2. Step 2: Convert to fraction form
    501,641.99/692,039.90 = 297,701.51/x
  3. Step 3: Cross multiply
    501,641.99x = 692,039.90 × 297,701.51
  4. Step 4: Simplify right side
    501,641.99x = 206,021,318,261.54
  5. Step 5: Solve for x
    x = 206,021,318,261.54/501,641.99
  6. Step 6: Final answer
    x = 410,693.93

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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.