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Finding the Fourth Proportional to 328,051.40, 452,710.96 and 184,811.40

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Solution

The fourth proportional to 328,051.40, 452,710.96 and 184,811.40 is: 255,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,051.40 : 452,710.96 = 184,811.40 : x
  2. Step 2: Convert to fraction form
    328,051.40/452,710.96 = 184,811.40/x
  3. Step 3: Cross multiply
    328,051.40x = 452,710.96 × 184,811.40
  4. Step 4: Simplify right side
    328,051.40x = 83,666,146,312.94
  5. Step 5: Solve for x
    x = 83,666,146,312.94/328,051.40
  6. Step 6: Final answer
    x = 255,039.75

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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.