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Finding the Fourth Proportional to 502,570.50, 693,547.29 and 276,216

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Solution

The fourth proportional to 502,570.50, 693,547.29 and 276,216 is: 381,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,570.50 : 693,547.29 = 276,216 : x
  2. Step 2: Convert to fraction form
    502,570.50/693,547.29 = 276,216/x
  3. Step 3: Cross multiply
    502,570.50x = 693,547.29 × 276,216
  4. Step 4: Simplify right side
    502,570.50x = 191,568,858,254.64
  5. Step 5: Solve for x
    x = 191,568,858,254.64/502,570.50
  6. Step 6: Final answer
    x = 381,178.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.