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Finding the Fourth Proportional to 369,483.17, 509,886.51 and 199,717.29

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Solution

The fourth proportional to 369,483.17, 509,886.51 and 199,717.29 is: 275,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,483.17 : 509,886.51 = 199,717.29 : x
  2. Step 2: Convert to fraction form
    369,483.17/509,886.51 = 199,717.29/x
  3. Step 3: Cross multiply
    369,483.17x = 509,886.51 × 199,717.29
  4. Step 4: Simplify right side
    369,483.17x = 101,833,151,984.76
  5. Step 5: Solve for x
    x = 101,833,151,984.76/369,483.17
  6. Step 6: Final answer
    x = 275,609.72

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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.