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Finding the Fourth Proportional to 460,085.55, 634,924.62 and 256,145.37

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Solution

The fourth proportional to 460,085.55, 634,924.62 and 256,145.37 is: 353,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,085.55 : 634,924.62 = 256,145.37 : x
  2. Step 2: Convert to fraction form
    460,085.55/634,924.62 = 256,145.37/x
  3. Step 3: Cross multiply
    460,085.55x = 634,924.62 × 256,145.37
  4. Step 4: Simplify right side
    460,085.55x = 162,633,001,712.01
  5. Step 5: Solve for x
    x = 162,633,001,712.01/460,085.55
  6. Step 6: Final answer
    x = 353,484.26

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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.