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Finding the Fourth Proportional to 529,599.84, 730,831.68 and 303,230.40

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Solution

The fourth proportional to 529,599.84, 730,831.68 and 303,230.40 is: 418,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,599.84 : 730,831.68 = 303,230.40 : x
  2. Step 2: Convert to fraction form
    529,599.84/730,831.68 = 303,230.40/x
  3. Step 3: Cross multiply
    529,599.84x = 730,831.68 × 303,230.40
  4. Step 4: Simplify right side
    529,599.84x = 221,610,382,659.07
  5. Step 5: Solve for x
    x = 221,610,382,659.07/529,599.84
  6. Step 6: Final answer
    x = 418,448.73

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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.