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Finding the Fourth Proportional to 586,119.16, 879,180.90 and 142,887.16

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Solution

The fourth proportional to 586,119.16, 879,180.90 and 142,887.16 is: 214,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,119.16 : 879,180.90 = 142,887.16 : x
  2. Step 2: Convert to fraction form
    586,119.16/879,180.90 = 142,887.16/x
  3. Step 3: Cross multiply
    586,119.16x = 879,180.90 × 142,887.16
  4. Step 4: Simplify right side
    586,119.16x = 125,623,661,927.24
  5. Step 5: Solve for x
    x = 125,623,661,927.24/586,119.16
  6. Step 6: Final answer
    x = 214,331.27

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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.