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Finding the Fourth Proportional to 675,394.30, 932,036.88 and 369,476.74

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Solution

The fourth proportional to 675,394.30, 932,036.88 and 369,476.74 is: 509,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,394.30 : 932,036.88 = 369,476.74 : x
  2. Step 2: Convert to fraction form
    675,394.30/932,036.88 = 369,476.74/x
  3. Step 3: Cross multiply
    675,394.30x = 932,036.88 × 369,476.74
  4. Step 4: Simplify right side
    675,394.30x = 344,365,948,454.45
  5. Step 5: Solve for x
    x = 344,365,948,454.45/675,394.30
  6. Step 6: Final answer
    x = 509,873.93

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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.