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Finding the Fourth Proportional to 631,864.80, 947,797.20 and 602,340.30

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Solution

The fourth proportional to 631,864.80, 947,797.20 and 602,340.30 is: 903,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,864.80 : 947,797.20 = 602,340.30 : x
  2. Step 2: Convert to fraction form
    631,864.80/947,797.20 = 602,340.30/x
  3. Step 3: Cross multiply
    631,864.80x = 947,797.20 × 602,340.30
  4. Step 4: Simplify right side
    631,864.80x = 570,896,449,787.16
  5. Step 5: Solve for x
    x = 570,896,449,787.16/631,864.80
  6. Step 6: Final answer
    x = 903,510.45

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Double scale
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Similar ratio
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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.