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Finding the Fourth Proportional to 360,666.61, 497,725.16 and 207,732.26

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Solution

The fourth proportional to 360,666.61, 497,725.16 and 207,732.26 is: 286,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,666.61 : 497,725.16 = 207,732.26 : x
  2. Step 2: Convert to fraction form
    360,666.61/497,725.16 = 207,732.26/x
  3. Step 3: Cross multiply
    360,666.61x = 497,725.16 × 207,732.26
  4. Step 4: Simplify right side
    360,666.61x = 103,393,572,551.31
  5. Step 5: Solve for x
    x = 103,393,572,551.31/360,666.61
  6. Step 6: Final answer
    x = 286,673.54

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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.