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Finding the Fourth Proportional to 526,992.57, 790,510.71 and 153,015.57

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Solution

The fourth proportional to 526,992.57, 790,510.71 and 153,015.57 is: 229,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,992.57 : 790,510.71 = 153,015.57 : x
  2. Step 2: Convert to fraction form
    526,992.57/790,510.71 = 153,015.57/x
  3. Step 3: Cross multiply
    526,992.57x = 790,510.71 × 153,015.57
  4. Step 4: Simplify right side
    526,992.57x = 120,960,446,881.76
  5. Step 5: Solve for x
    x = 120,960,446,881.76/526,992.57
  6. Step 6: Final answer
    x = 229,529.70

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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.