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Finding the Fourth Proportional to 591,765.40, 887,210.70 and 325,826.20

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Solution

The fourth proportional to 591,765.40, 887,210.70 and 325,826.20 is: 488,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,765.40 : 887,210.70 = 325,826.20 : x
  2. Step 2: Convert to fraction form
    591,765.40/887,210.70 = 325,826.20/x
  3. Step 3: Cross multiply
    591,765.40x = 887,210.70 × 325,826.20
  4. Step 4: Simplify right side
    591,765.40x = 289,076,490,980.34
  5. Step 5: Solve for x
    x = 289,076,490,980.34/591,765.40
  6. Step 6: Final answer
    x = 488,498.47

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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.