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Finding the Fourth Proportional to 473,990.99, 654,109.88 and 259,131.07

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Solution

The fourth proportional to 473,990.99, 654,109.88 and 259,131.07 is: 357,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,990.99 : 654,109.88 = 259,131.07 : x
  2. Step 2: Convert to fraction form
    473,990.99/654,109.88 = 259,131.07/x
  3. Step 3: Cross multiply
    473,990.99x = 654,109.88 × 259,131.07
  4. Step 4: Simplify right side
    473,990.99x = 169,500,189,831.42
  5. Step 5: Solve for x
    x = 169,500,189,831.42/473,990.99
  6. Step 6: Final answer
    x = 357,602.13

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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.