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Finding the Fourth Proportional to 433,384.80, 649,975.14 and 243,925.80

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Solution

The fourth proportional to 433,384.80, 649,975.14 and 243,925.80 is: 365,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,384.80 : 649,975.14 = 243,925.80 : x
  2. Step 2: Convert to fraction form
    433,384.80/649,975.14 = 243,925.80/x
  3. Step 3: Cross multiply
    433,384.80x = 649,975.14 × 243,925.80
  4. Step 4: Simplify right side
    433,384.80x = 158,545,706,004.61
  5. Step 5: Solve for x
    x = 158,545,706,004.61/433,384.80
  6. Step 6: Final answer
    x = 365,831.26

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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.