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Finding the Fourth Proportional to 460,585.23, 691,085.21 and 249,907.47

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Solution

The fourth proportional to 460,585.23, 691,085.21 and 249,907.47 is: 374,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,585.23 : 691,085.21 = 249,907.47 : x
  2. Step 2: Convert to fraction form
    460,585.23/691,085.21 = 249,907.47/x
  3. Step 3: Cross multiply
    460,585.23x = 691,085.21 × 249,907.47
  4. Step 4: Simplify right side
    460,585.23x = 172,707,355,135.98
  5. Step 5: Solve for x
    x = 172,707,355,135.98/460,585.23
  6. Step 6: Final answer
    x = 374,973.72

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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.