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Finding the Fourth Proportional to 502,381.51, 693,294.32 and 272,943.34

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Solution

The fourth proportional to 502,381.51, 693,294.32 and 272,943.34 is: 376,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,381.51 : 693,294.32 = 272,943.34 : x
  2. Step 2: Convert to fraction form
    502,381.51/693,294.32 = 272,943.34/x
  3. Step 3: Cross multiply
    502,381.51x = 693,294.32 × 272,943.34
  4. Step 4: Simplify right side
    502,381.51x = 189,230,066,252.95
  5. Step 5: Solve for x
    x = 189,230,066,252.95/502,381.51
  6. Step 6: Final answer
    x = 376,666.07

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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.