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Finding the Fourth Proportional to 506,802.66, 699,387.55 and 277,360.03

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Solution

The fourth proportional to 506,802.66, 699,387.55 and 277,360.03 is: 382,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,802.66 : 699,387.55 = 277,360.03 : x
  2. Step 2: Convert to fraction form
    506,802.66/699,387.55 = 277,360.03/x
  3. Step 3: Cross multiply
    506,802.66x = 699,387.55 × 277,360.03
  4. Step 4: Simplify right side
    506,802.66x = 193,982,152,030.46
  5. Step 5: Solve for x
    x = 193,982,152,030.46/506,802.66
  6. Step 6: Final answer
    x = 382,756.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.