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Finding the Fourth Proportional to 308,925.80, 464,079.90 and 296,330.60

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Solution

The fourth proportional to 308,925.80, 464,079.90 and 296,330.60 is: 445,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,925.80 : 464,079.90 = 296,330.60 : x
  2. Step 2: Convert to fraction form
    308,925.80/464,079.90 = 296,330.60/x
  3. Step 3: Cross multiply
    308,925.80x = 464,079.90 × 296,330.60
  4. Step 4: Simplify right side
    308,925.80x = 137,521,075,214.94
  5. Step 5: Solve for x
    x = 137,521,075,214.94/308,925.80
  6. Step 6: Final answer
    x = 445,158.92

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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.