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Finding the Fourth Proportional to 605,368, 835,407.84 and 350,866.81

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Solution

The fourth proportional to 605,368, 835,407.84 and 350,866.81 is: 484,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,368 : 835,407.84 = 350,866.81 : x
  2. Step 2: Convert to fraction form
    605,368/835,407.84 = 350,866.81/x
  3. Step 3: Cross multiply
    605,368x = 835,407.84 × 350,866.81
  4. Step 4: Simplify right side
    605,368x = 293,116,883,869.79
  5. Step 5: Solve for x
    x = 293,116,883,869.79/605,368
  6. Step 6: Final answer
    x = 484,196.20

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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.