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Finding the Fourth Proportional to 328,567.76, 453,385.44 and 185,330.22

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Solution

The fourth proportional to 328,567.76, 453,385.44 and 185,330.22 is: 255,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,567.76 : 453,385.44 = 185,330.22 : x
  2. Step 2: Convert to fraction form
    328,567.76/453,385.44 = 185,330.22/x
  3. Step 3: Cross multiply
    328,567.76x = 453,385.44 × 185,330.22
  4. Step 4: Simplify right side
    328,567.76x = 84,026,023,340.00
  5. Step 5: Solve for x
    x = 84,026,023,340.00/328,567.76
  6. Step 6: Final answer
    x = 255,734.23

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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.