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Finding the Fourth Proportional to 292,927.86, 404,215.28 and 170,442.90

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Solution

The fourth proportional to 292,927.86, 404,215.28 and 170,442.90 is: 235,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,927.86 : 404,215.28 = 170,442.90 : x
  2. Step 2: Convert to fraction form
    292,927.86/404,215.28 = 170,442.90/x
  3. Step 3: Cross multiply
    292,927.86x = 404,215.28 × 170,442.90
  4. Step 4: Simplify right side
    292,927.86x = 68,895,624,547.51
  5. Step 5: Solve for x
    x = 68,895,624,547.51/292,927.86
  6. Step 6: Final answer
    x = 235,196.56

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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.