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Finding the Fourth Proportional to 658,872.84, 909,244.38 and 357,066.84

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Solution

The fourth proportional to 658,872.84, 909,244.38 and 357,066.84 is: 492,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,872.84 : 909,244.38 = 357,066.84 : x
  2. Step 2: Convert to fraction form
    658,872.84/909,244.38 = 357,066.84/x
  3. Step 3: Cross multiply
    658,872.84x = 909,244.38 × 357,066.84
  4. Step 4: Simplify right side
    658,872.84x = 324,661,017,554.36
  5. Step 5: Solve for x
    x = 324,661,017,554.36/658,872.84
  6. Step 6: Final answer
    x = 492,752.16

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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.