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Finding the Fourth Proportional to 450,702.50, 675,081.79 and 424,204.23

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Solution

The fourth proportional to 450,702.50, 675,081.79 and 424,204.23 is: 635,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,702.50 : 675,081.79 = 424,204.23 : x
  2. Step 2: Convert to fraction form
    450,702.50/675,081.79 = 424,204.23/x
  3. Step 3: Cross multiply
    450,702.50x = 675,081.79 × 424,204.23
  4. Step 4: Simplify right side
    450,702.50x = 286,372,549,853.46
  5. Step 5: Solve for x
    x = 286,372,549,853.46/450,702.50
  6. Step 6: Final answer
    x = 635,391.52

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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.