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Finding the Fourth Proportional to 369,804.39, 554,726.17 and 117,111.57

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Solution

The fourth proportional to 369,804.39, 554,726.17 and 117,111.57 is: 175,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,804.39 : 554,726.17 = 117,111.57 : x
  2. Step 2: Convert to fraction form
    369,804.39/554,726.17 = 117,111.57/x
  3. Step 3: Cross multiply
    369,804.39x = 554,726.17 × 117,111.57
  4. Step 4: Simplify right side
    369,804.39x = 64,964,853,875.29
  5. Step 5: Solve for x
    x = 64,964,853,875.29/369,804.39
  6. Step 6: Final answer
    x = 175,673.56

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1.5x scale

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.