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Finding the Fourth Proportional to 448,208.59, 618,527.87 and 247,004.59

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Solution

The fourth proportional to 448,208.59, 618,527.87 and 247,004.59 is: 340,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,208.59 : 618,527.87 = 247,004.59 : x
  2. Step 2: Convert to fraction form
    448,208.59/618,527.87 = 247,004.59/x
  3. Step 3: Cross multiply
    448,208.59x = 618,527.87 × 247,004.59
  4. Step 4: Simplify right side
    448,208.59x = 152,779,225,715.54
  5. Step 5: Solve for x
    x = 152,779,225,715.54/448,208.59
  6. Step 6: Final answer
    x = 340,866.35

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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.