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Finding the Fourth Proportional to 535,030.76, 738,337.74 and 293,308.94

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Solution

The fourth proportional to 535,030.76, 738,337.74 and 293,308.94 is: 404,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,030.76 : 738,337.74 = 293,308.94 : x
  2. Step 2: Convert to fraction form
    535,030.76/738,337.74 = 293,308.94/x
  3. Step 3: Cross multiply
    535,030.76x = 738,337.74 × 293,308.94
  4. Step 4: Simplify right side
    535,030.76x = 216,561,059,881.40
  5. Step 5: Solve for x
    x = 216,561,059,881.40/535,030.76
  6. Step 6: Final answer
    x = 404,763.76

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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.