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Finding the Fourth Proportional to 364,018.88, 502,386.84 and 202,888.64

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Solution

The fourth proportional to 364,018.88, 502,386.84 and 202,888.64 is: 280,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,018.88 : 502,386.84 = 202,888.64 : x
  2. Step 2: Convert to fraction form
    364,018.88/502,386.84 = 202,888.64/x
  3. Step 3: Cross multiply
    364,018.88x = 502,386.84 × 202,888.64
  4. Step 4: Simplify right side
    364,018.88x = 101,928,582,721.50
  5. Step 5: Solve for x
    x = 101,928,582,721.50/364,018.88
  6. Step 6: Final answer
    x = 280,009.06

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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.