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Finding the Fourth Proportional to 364,068.90, 545,957.55 and 127,289.70

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Solution

The fourth proportional to 364,068.90, 545,957.55 and 127,289.70 is: 190,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,068.90 : 545,957.55 = 127,289.70 : x
  2. Step 2: Convert to fraction form
    364,068.90/545,957.55 = 127,289.70/x
  3. Step 3: Cross multiply
    364,068.90x = 545,957.55 × 127,289.70
  4. Step 4: Simplify right side
    364,068.90x = 69,494,772,752.24
  5. Step 5: Solve for x
    x = 69,494,772,752.24/364,068.90
  6. Step 6: Final answer
    x = 190,883.57

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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.