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Finding the Fourth Proportional to 307,070.64, 460,293.90 and 127,253.88

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Solution

The fourth proportional to 307,070.64, 460,293.90 and 127,253.88 is: 190,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,070.64 : 460,293.90 = 127,253.88 : x
  2. Step 2: Convert to fraction form
    307,070.64/460,293.90 = 127,253.88/x
  3. Step 3: Cross multiply
    307,070.64x = 460,293.90 × 127,253.88
  4. Step 4: Simplify right side
    307,070.64x = 58,574,184,715.33
  5. Step 5: Solve for x
    x = 58,574,184,715.33/307,070.64
  6. Step 6: Final answer
    x = 190,751.50

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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.