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Finding the Fourth Proportional to 358,218.93, 537,328.30 and 245,557.59

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Solution

The fourth proportional to 358,218.93, 537,328.30 and 245,557.59 is: 368,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,218.93 : 537,328.30 = 245,557.59 : x
  2. Step 2: Convert to fraction form
    358,218.93/537,328.30 = 245,557.59/x
  3. Step 3: Cross multiply
    358,218.93x = 537,328.30 × 245,557.59
  4. Step 4: Simplify right side
    358,218.93x = 131,945,044,344.01
  5. Step 5: Solve for x
    x = 131,945,044,344.01/358,218.93
  6. Step 6: Final answer
    x = 368,336.32

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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.