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Finding the Fourth Proportional to 586,305.56, 879,459.54 and 143,073.56

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Solution

The fourth proportional to 586,305.56, 879,459.54 and 143,073.56 is: 214,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,305.56 : 879,459.54 = 143,073.56 : x
  2. Step 2: Convert to fraction form
    586,305.56/879,459.54 = 143,073.56/x
  3. Step 3: Cross multiply
    586,305.56x = 879,459.54 × 143,073.56
  4. Step 4: Simplify right side
    586,305.56x = 125,827,407,263.76
  5. Step 5: Solve for x
    x = 125,827,407,263.76/586,305.56
  6. Step 6: Final answer
    x = 214,610.63

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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.