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Finding the Fourth Proportional to 660,042.14, 910,702.04 and 373,562.23

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Solution

The fourth proportional to 660,042.14, 910,702.04 and 373,562.23 is: 515,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,042.14 : 910,702.04 = 373,562.23 : x
  2. Step 2: Convert to fraction form
    660,042.14/910,702.04 = 373,562.23/x
  3. Step 3: Cross multiply
    660,042.14x = 910,702.04 × 373,562.23
  4. Step 4: Simplify right side
    660,042.14x = 340,203,879,776.25
  5. Step 5: Solve for x
    x = 340,203,879,776.25/660,042.14
  6. Step 6: Final answer
    x = 515,427.51

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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.