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Finding the Fourth Proportional to 975,575.88, 1,346,454 and 669,399.53

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Solution

The fourth proportional to 975,575.88, 1,346,454 and 669,399.53 is: 923,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,575.88 : 1,346,454 = 669,399.53 : x
  2. Step 2: Convert to fraction form
    975,575.88/1,346,454 = 669,399.53/x
  3. Step 3: Cross multiply
    975,575.88x = 1,346,454 × 669,399.53
  4. Step 4: Simplify right side
    975,575.88x = 901,315,668,034.35
  5. Step 5: Solve for x
    x = 901,315,668,034.35/975,575.88
  6. Step 6: Final answer
    x = 923,880.64

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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.