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Finding the Fourth Proportional to 314,273.63, 433,689.29 and 171,030.59

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Solution

The fourth proportional to 314,273.63, 433,689.29 and 171,030.59 is: 236,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,273.63 : 433,689.29 = 171,030.59 : x
  2. Step 2: Convert to fraction form
    314,273.63/433,689.29 = 171,030.59/x
  3. Step 3: Cross multiply
    314,273.63x = 433,689.29 × 171,030.59
  4. Step 4: Simplify right side
    314,273.63x = 74,174,136,657.18
  5. Step 5: Solve for x
    x = 74,174,136,657.18/314,273.63
  6. Step 6: Final answer
    x = 236,017.70

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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.