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Finding the Fourth Proportional to 583,976.45, 876,128.70 and 284,466.80

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Solution

The fourth proportional to 583,976.45, 876,128.70 and 284,466.80 is: 426,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,976.45 : 876,128.70 = 284,466.80 : x
  2. Step 2: Convert to fraction form
    583,976.45/876,128.70 = 284,466.80/x
  3. Step 3: Cross multiply
    583,976.45x = 876,128.70 × 284,466.80
  4. Step 4: Simplify right side
    583,976.45x = 249,229,527,677.16
  5. Step 5: Solve for x
    x = 249,229,527,677.16/583,976.45
  6. Step 6: Final answer
    x = 426,780.10

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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.