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Finding the Fourth Proportional to 506,337.40, 759,579.81 and 186,642.28

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Solution

The fourth proportional to 506,337.40, 759,579.81 and 186,642.28 is: 279,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,337.40 : 759,579.81 = 186,642.28 : x
  2. Step 2: Convert to fraction form
    506,337.40/759,579.81 = 186,642.28/x
  3. Step 3: Cross multiply
    506,337.40x = 759,579.81 × 186,642.28
  4. Step 4: Simplify right side
    506,337.40x = 141,769,707,580.37
  5. Step 5: Solve for x
    x = 141,769,707,580.37/506,337.40
  6. Step 6: Final answer
    x = 279,990.59

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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.