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Finding the Fourth Proportional to 528,083.95, 792,125.93 and 470,023.15

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Solution

The fourth proportional to 528,083.95, 792,125.93 and 470,023.15 is: 705,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083.95 : 792,125.93 = 470,023.15 : x
  2. Step 2: Convert to fraction form
    528,083.95/792,125.93 = 470,023.15/x
  3. Step 3: Cross multiply
    528,083.95x = 792,125.93 × 470,023.15
  4. Step 4: Simplify right side
    528,083.95x = 372,317,524,815.28
  5. Step 5: Solve for x
    x = 372,317,524,815.28/528,083.95
  6. Step 6: Final answer
    x = 705,034.73

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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.