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Finding the Fourth Proportional to 506,805.57, 760,382.24 and 191,352.69

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Solution

The fourth proportional to 506,805.57, 760,382.24 and 191,352.69 is: 287,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,805.57 : 760,382.24 = 191,352.69 : x
  2. Step 2: Convert to fraction form
    506,805.57/760,382.24 = 191,352.69/x
  3. Step 3: Cross multiply
    506,805.57x = 760,382.24 × 191,352.69
  4. Step 4: Simplify right side
    506,805.57x = 145,501,186,095.46
  5. Step 5: Solve for x
    x = 145,501,186,095.46/506,805.57
  6. Step 6: Final answer
    x = 287,094.69

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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.