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Finding the Fourth Proportional to 334,735.51, 502,103.00 and 85,417.51

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Solution

The fourth proportional to 334,735.51, 502,103.00 and 85,417.51 is: 128,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,735.51 : 502,103.00 = 85,417.51 : x
  2. Step 2: Convert to fraction form
    334,735.51/502,103.00 = 85,417.51/x
  3. Step 3: Cross multiply
    334,735.51x = 502,103.00 × 85,417.51
  4. Step 4: Simplify right side
    334,735.51x = 42,888,387,596.44
  5. Step 5: Solve for x
    x = 42,888,387,596.44/334,735.51
  6. Step 6: Final answer
    x = 128,126.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.