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Finding the Fourth Proportional to 632,573.88, 873,312.84 and 418,335.36

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Solution

The fourth proportional to 632,573.88, 873,312.84 and 418,335.36 is: 577,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,573.88 : 873,312.84 = 418,335.36 : x
  2. Step 2: Convert to fraction form
    632,573.88/873,312.84 = 418,335.36/x
  3. Step 3: Cross multiply
    632,573.88x = 873,312.84 × 418,335.36
  4. Step 4: Simplify right side
    632,573.88x = 365,337,641,314.02
  5. Step 5: Solve for x
    x = 365,337,641,314.02/632,573.88
  6. Step 6: Final answer
    x = 577,541.46

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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.