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Finding the Fourth Proportional to 535,068.41, 738,394.20 and 293,345.78

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Solution

The fourth proportional to 535,068.41, 738,394.20 and 293,345.78 is: 404,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,068.41 : 738,394.20 = 293,345.78 : x
  2. Step 2: Convert to fraction form
    535,068.41/738,394.20 = 293,345.78/x
  3. Step 3: Cross multiply
    535,068.41x = 738,394.20 × 293,345.78
  4. Step 4: Simplify right side
    535,068.41x = 216,604,818,854.51
  5. Step 5: Solve for x
    x = 216,604,818,854.51/535,068.41
  6. Step 6: Final answer
    x = 404,817.06

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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.