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Finding the Fourth Proportional to 528,956.58, 793,266.36 and 173,888.76

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Solution

The fourth proportional to 528,956.58, 793,266.36 and 173,888.76 is: 260,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,956.58 : 793,266.36 = 173,888.76 : x
  2. Step 2: Convert to fraction form
    528,956.58/793,266.36 = 173,888.76/x
  3. Step 3: Cross multiply
    528,956.58x = 793,266.36 × 173,888.76
  4. Step 4: Simplify right side
    528,956.58x = 137,940,103,690.11
  5. Step 5: Solve for x
    x = 137,940,103,690.11/528,956.58
  6. Step 6: Final answer
    x = 260,777.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.