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Finding the Fourth Proportional to 555,509.40, 833,264.10 and 181,570.20

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Solution

The fourth proportional to 555,509.40, 833,264.10 and 181,570.20 is: 272,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,509.40 : 833,264.10 = 181,570.20 : x
  2. Step 2: Convert to fraction form
    555,509.40/833,264.10 = 181,570.20/x
  3. Step 3: Cross multiply
    555,509.40x = 833,264.10 × 181,570.20
  4. Step 4: Simplify right side
    555,509.40x = 151,295,929,289.82
  5. Step 5: Solve for x
    x = 151,295,929,289.82/555,509.40
  6. Step 6: Final answer
    x = 272,355.30

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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.