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Finding the Fourth Proportional to 535,068.41, 738,374.81 and 293,345.69

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Solution

The fourth proportional to 535,068.41, 738,374.81 and 293,345.69 is: 404,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,068.41 : 738,374.81 = 293,345.69 : x
  2. Step 2: Convert to fraction form
    535,068.41/738,374.81 = 293,345.69/x
  3. Step 3: Cross multiply
    535,068.41x = 738,374.81 × 293,345.69
  4. Step 4: Simplify right side
    535,068.41x = 216,599,062,959.47
  5. Step 5: Solve for x
    x = 216,599,062,959.47/535,068.41
  6. Step 6: Final answer
    x = 404,806.30

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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.