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Finding the Fourth Proportional to 211,053.60, 316,580.40 and 184,809.60

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Solution

The fourth proportional to 211,053.60, 316,580.40 and 184,809.60 is: 277,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,053.60 : 316,580.40 = 184,809.60 : x
  2. Step 2: Convert to fraction form
    211,053.60/316,580.40 = 184,809.60/x
  3. Step 3: Cross multiply
    211,053.60x = 316,580.40 × 184,809.60
  4. Step 4: Simplify right side
    211,053.60x = 58,507,097,091.84
  5. Step 5: Solve for x
    x = 58,507,097,091.84/211,053.60
  6. Step 6: Final answer
    x = 277,214.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.