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Finding the Fourth Proportional to 502,384.32, 692,597.52 and 400,754.52

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Solution

The fourth proportional to 502,384.32, 692,597.52 and 400,754.52 is: 552,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,384.32 : 692,597.52 = 400,754.52 : x
  2. Step 2: Convert to fraction form
    502,384.32/692,597.52 = 400,754.52/x
  3. Step 3: Cross multiply
    502,384.32x = 692,597.52 × 400,754.52
  4. Step 4: Simplify right side
    502,384.32x = 277,561,586,680.79
  5. Step 5: Solve for x
    x = 277,561,586,680.79/502,384.32
  6. Step 6: Final answer
    x = 552,488.55

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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.