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Finding the Fourth Proportional to 364,831.60, 547,247.40 and 339,948.40

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Solution

The fourth proportional to 364,831.60, 547,247.40 and 339,948.40 is: 509,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,831.60 : 547,247.40 = 339,948.40 : x
  2. Step 2: Convert to fraction form
    364,831.60/547,247.40 = 339,948.40/x
  3. Step 3: Cross multiply
    364,831.60x = 547,247.40 × 339,948.40
  4. Step 4: Simplify right side
    364,831.60x = 186,035,878,034.16
  5. Step 5: Solve for x
    x = 186,035,878,034.16/364,831.60
  6. Step 6: Final answer
    x = 509,922.60

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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.