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Finding the Fourth Proportional to 451,483.07, 623,039.53 and 247,535.75

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Solution

The fourth proportional to 451,483.07, 623,039.53 and 247,535.75 is: 341,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,483.07 : 623,039.53 = 247,535.75 : x
  2. Step 2: Convert to fraction form
    451,483.07/623,039.53 = 247,535.75/x
  3. Step 3: Cross multiply
    451,483.07x = 623,039.53 × 247,535.75
  4. Step 4: Simplify right side
    451,483.07x = 154,224,554,223.00
  5. Step 5: Solve for x
    x = 154,224,554,223.00/451,483.07
  6. Step 6: Final answer
    x = 341,595.44

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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.