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Finding the Fourth Proportional to 506,805.82, 760,382.61 and 191,352.94

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Solution

The fourth proportional to 506,805.82, 760,382.61 and 191,352.94 is: 287,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,805.82 : 760,382.61 = 191,352.94 : x
  2. Step 2: Convert to fraction form
    506,805.82/760,382.61 = 191,352.94/x
  3. Step 3: Cross multiply
    506,805.82x = 760,382.61 × 191,352.94
  4. Step 4: Simplify right side
    506,805.82x = 145,501,447,948.37
  5. Step 5: Solve for x
    x = 145,501,447,948.37/506,805.82
  6. Step 6: Final answer
    x = 287,095.06

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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.