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Finding the Fourth Proportional to 370,041.72, 510,670.84 and 208,925.44

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Solution

The fourth proportional to 370,041.72, 510,670.84 and 208,925.44 is: 288,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,041.72 : 510,670.84 = 208,925.44 : x
  2. Step 2: Convert to fraction form
    370,041.72/510,670.84 = 208,925.44/x
  3. Step 3: Cross multiply
    370,041.72x = 510,670.84 × 208,925.44
  4. Step 4: Simplify right side
    370,041.72x = 106,692,129,942.17
  5. Step 5: Solve for x
    x = 106,692,129,942.17/370,041.72
  6. Step 6: Final answer
    x = 288,324.60

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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.