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Finding the Fourth Proportional to 328,595.76, 453,475.93 and 185,355.76

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Solution

The fourth proportional to 328,595.76, 453,475.93 and 185,355.76 is: 255,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,595.76 : 453,475.93 = 185,355.76 : x
  2. Step 2: Convert to fraction form
    328,595.76/453,475.93 = 185,355.76/x
  3. Step 3: Cross multiply
    328,595.76x = 453,475.93 × 185,355.76
  4. Step 4: Simplify right side
    328,595.76x = 84,054,375,646.86
  5. Step 5: Solve for x
    x = 84,054,375,646.86/328,595.76
  6. Step 6: Final answer
    x = 255,798.72

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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.