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Finding the Fourth Proportional to 693,327.76, 955,867.08 and 550,560.40

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Solution

The fourth proportional to 693,327.76, 955,867.08 and 550,560.40 is: 759,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,327.76 : 955,867.08 = 550,560.40 : x
  2. Step 2: Convert to fraction form
    693,327.76/955,867.08 = 550,560.40/x
  3. Step 3: Cross multiply
    693,327.76x = 955,867.08 × 550,560.40
  4. Step 4: Simplify right side
    693,327.76x = 526,262,561,911.63
  5. Step 5: Solve for x
    x = 526,262,561,911.63/693,327.76
  6. Step 6: Final answer
    x = 759,038.64

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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.