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Finding the Fourth Proportional to 463,160.46, 639,228.56 and 266,888.75

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Solution

The fourth proportional to 463,160.46, 639,228.56 and 266,888.75 is: 368,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,160.46 : 639,228.56 = 266,888.75 : x
  2. Step 2: Convert to fraction form
    463,160.46/639,228.56 = 266,888.75/x
  3. Step 3: Cross multiply
    463,160.46x = 639,228.56 × 266,888.75
  4. Step 4: Simplify right side
    463,160.46x = 170,602,913,607.99
  5. Step 5: Solve for x
    x = 170,602,913,607.99/463,160.46
  6. Step 6: Final answer
    x = 368,345.16

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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.