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Finding the Fourth Proportional to 631,904.14, 872,184.41 and 360,133.21

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Solution

The fourth proportional to 631,904.14, 872,184.41 and 360,133.21 is: 497,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,904.14 : 872,184.41 = 360,133.21 : x
  2. Step 2: Convert to fraction form
    631,904.14/872,184.41 = 360,133.21/x
  3. Step 3: Cross multiply
    631,904.14x = 872,184.41 × 360,133.21
  4. Step 4: Simplify right side
    631,904.14x = 314,102,571,285.26
  5. Step 5: Solve for x
    x = 314,102,571,285.26/631,904.14
  6. Step 6: Final answer
    x = 497,073.13

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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.