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Finding the Fourth Proportional to 369,768.74, 554,673.28 and 117,030.36

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Solution

The fourth proportional to 369,768.74, 554,673.28 and 117,030.36 is: 175,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,768.74 : 554,673.28 = 117,030.36 : x
  2. Step 2: Convert to fraction form
    369,768.74/554,673.28 = 117,030.36/x
  3. Step 3: Cross multiply
    369,768.74x = 554,673.28 × 117,030.36
  4. Step 4: Simplify right side
    369,768.74x = 64,913,613,640.78
  5. Step 5: Solve for x
    x = 64,913,613,640.78/369,768.74
  6. Step 6: Final answer
    x = 175,551.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.