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Finding the Fourth Proportional to 370,001.28, 510,700.44 and 208,950.60

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Solution

The fourth proportional to 370,001.28, 510,700.44 and 208,950.60 is: 288,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,001.28 : 510,700.44 = 208,950.60 : x
  2. Step 2: Convert to fraction form
    370,001.28/510,700.44 = 208,950.60/x
  3. Step 3: Cross multiply
    370,001.28x = 510,700.44 × 208,950.60
  4. Step 4: Simplify right side
    370,001.28x = 106,711,160,804.76
  5. Step 5: Solve for x
    x = 106,711,160,804.76/370,001.28
  6. Step 6: Final answer
    x = 288,407.55

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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.