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Finding the Fourth Proportional to 308,280.04, 425,192.68 and 265,330.60

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Solution

The fourth proportional to 308,280.04, 425,192.68 and 265,330.60 is: 365,955.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,280.04 : 425,192.68 = 265,330.60 : x
  2. Step 2: Convert to fraction form
    308,280.04/425,192.68 = 265,330.60/x
  3. Step 3: Cross multiply
    308,280.04x = 425,192.68 × 265,330.60
  4. Step 4: Simplify right side
    308,280.04x = 112,816,628,900.01
  5. Step 5: Solve for x
    x = 112,816,628,900.01/308,280.04
  6. Step 6: Final answer
    x = 365,955.02

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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.