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Finding the Fourth Proportional to 675,678.46, 932,436.29 and 369,754.82

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Solution

The fourth proportional to 675,678.46, 932,436.29 and 369,754.82 is: 510,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,678.46 : 932,436.29 = 369,754.82 : x
  2. Step 2: Convert to fraction form
    675,678.46/932,436.29 = 369,754.82/x
  3. Step 3: Cross multiply
    675,678.46x = 932,436.29 × 369,754.82
  4. Step 4: Simplify right side
    675,678.46x = 344,772,812,570.42
  5. Step 5: Solve for x
    x = 344,772,812,570.42/675,678.46
  6. Step 6: Final answer
    x = 510,261.66

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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.