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Finding the Fourth Proportional to 502,570.47, 693,549.51 and 276,230.55

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Solution

The fourth proportional to 502,570.47, 693,549.51 and 276,230.55 is: 381,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,570.47 : 693,549.51 = 276,230.55 : x
  2. Step 2: Convert to fraction form
    502,570.47/693,549.51 = 276,230.55/x
  3. Step 3: Cross multiply
    502,570.47x = 693,549.51 × 276,230.55
  4. Step 4: Simplify right side
    502,570.47x = 191,579,562,599.53
  5. Step 5: Solve for x
    x = 191,579,562,599.53/502,570.47
  6. Step 6: Final answer
    x = 381,199.40

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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.