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Finding the Fourth Proportional to 364,046.19, 502,386.06 and 202,911.47

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Solution

The fourth proportional to 364,046.19, 502,386.06 and 202,911.47 is: 280,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,046.19 : 502,386.06 = 202,911.47 : x
  2. Step 2: Convert to fraction form
    364,046.19/502,386.06 = 202,911.47/x
  3. Step 3: Cross multiply
    364,046.19x = 502,386.06 × 202,911.47
  4. Step 4: Simplify right side
    364,046.19x = 101,939,893,942.11
  5. Step 5: Solve for x
    x = 101,939,893,942.11/364,046.19
  6. Step 6: Final answer
    x = 280,019.12

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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.