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Finding the Fourth Proportional to 260,445, 359,416.26 and 141,213

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Solution

The fourth proportional to 260,445, 359,416.26 and 141,213 is: 194,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,445 : 359,416.26 = 141,213 : x
  2. Step 2: Convert to fraction form
    260,445/359,416.26 = 141,213/x
  3. Step 3: Cross multiply
    260,445x = 359,416.26 × 141,213
  4. Step 4: Simplify right side
    260,445x = 50,754,248,323.38
  5. Step 5: Solve for x
    x = 50,754,248,323.38/260,445
  6. Step 6: Final answer
    x = 194,875.11

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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.