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Finding the Fourth Proportional to 675,678.95, 932,436.98 and 369,755.32

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Solution

The fourth proportional to 675,678.95, 932,436.98 and 369,755.32 is: 510,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,678.95 : 932,436.98 = 369,755.32 : x
  2. Step 2: Convert to fraction form
    675,678.95/932,436.98 = 369,755.32/x
  3. Step 3: Cross multiply
    675,678.95x = 932,436.98 × 369,755.32
  4. Step 4: Simplify right side
    675,678.95x = 344,773,533,919.73
  5. Step 5: Solve for x
    x = 344,773,533,919.73/675,678.95
  6. Step 6: Final answer
    x = 510,262.36

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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.