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Finding the Fourth Proportional to 706,473.32, 974,762.52 and 448,256.12

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Solution

The fourth proportional to 706,473.32, 974,762.52 and 448,256.12 is: 618,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,473.32 : 974,762.52 = 448,256.12 : x
  2. Step 2: Convert to fraction form
    706,473.32/974,762.52 = 448,256.12/x
  3. Step 3: Cross multiply
    706,473.32x = 974,762.52 × 448,256.12
  4. Step 4: Simplify right side
    706,473.32x = 436,943,265,136.62
  5. Step 5: Solve for x
    x = 436,943,265,136.62/706,473.32
  6. Step 6: Final answer
    x = 618,485.16

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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.