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Finding the Fourth Proportional to 911,482.95, 1,257,859.62 and 503,594.22

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Solution

The fourth proportional to 911,482.95, 1,257,859.62 and 503,594.22 is: 694,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,482.95 : 1,257,859.62 = 503,594.22 : x
  2. Step 2: Convert to fraction form
    911,482.95/1,257,859.62 = 503,594.22/x
  3. Step 3: Cross multiply
    911,482.95x = 1,257,859.62 × 503,594.22
  4. Step 4: Simplify right side
    911,482.95x = 633,450,834,203.40
  5. Step 5: Solve for x
    x = 633,450,834,203.40/911,482.95
  6. Step 6: Final answer
    x = 694,967.29

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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.