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Finding the Fourth Proportional to 675,161.61, 931,283.94 and 433,060.71

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Solution

The fourth proportional to 675,161.61, 931,283.94 and 433,060.71 is: 597,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,161.61 : 931,283.94 = 433,060.71 : x
  2. Step 2: Convert to fraction form
    675,161.61/931,283.94 = 433,060.71/x
  3. Step 3: Cross multiply
    675,161.61x = 931,283.94 × 433,060.71
  4. Step 4: Simplify right side
    675,161.61x = 403,302,484,268.00
  5. Step 5: Solve for x
    x = 403,302,484,268.00/675,161.61
  6. Step 6: Final answer
    x = 597,342.14

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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.