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Finding the Fourth Proportional to 328,592.40, 453,504.33 and 185,365.77

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Solution

The fourth proportional to 328,592.40, 453,504.33 and 185,365.77 is: 255,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,592.40 : 453,504.33 = 185,365.77 : x
  2. Step 2: Convert to fraction form
    328,592.40/453,504.33 = 185,365.77/x
  3. Step 3: Cross multiply
    328,592.40x = 453,504.33 × 185,365.77
  4. Step 4: Simplify right side
    328,592.40x = 84,064,179,328.78
  5. Step 5: Solve for x
    x = 84,064,179,328.78/328,592.40
  6. Step 6: Final answer
    x = 255,831.17

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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.