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Finding the Fourth Proportional to 583,886.40, 876,175.20 and 384,782.40

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Solution

The fourth proportional to 583,886.40, 876,175.20 and 384,782.40 is: 577,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,886.40 : 876,175.20 = 384,782.40 : x
  2. Step 2: Convert to fraction form
    583,886.40/876,175.20 = 384,782.40/x
  3. Step 3: Cross multiply
    583,886.40x = 876,175.20 × 384,782.40
  4. Step 4: Simplify right side
    583,886.40x = 337,136,796,276.48
  5. Step 5: Solve for x
    x = 337,136,796,276.48/583,886.40
  6. Step 6: Final answer
    x = 577,401.35

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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.