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Finding the Fourth Proportional to 675,302.68, 931,005.74 and 433,164.92

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Solution

The fourth proportional to 675,302.68, 931,005.74 and 433,164.92 is: 597,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,302.68 : 931,005.74 = 433,164.92 : x
  2. Step 2: Convert to fraction form
    675,302.68/931,005.74 = 433,164.92/x
  3. Step 3: Cross multiply
    675,302.68x = 931,005.74 × 433,164.92
  4. Step 4: Simplify right side
    675,302.68x = 403,279,024,720.82
  5. Step 5: Solve for x
    x = 403,279,024,720.82/675,302.68
  6. Step 6: Final answer
    x = 597,182.63

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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.