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Finding the Fourth Proportional to 302,612.55, 453,684.93 and 152,775.71

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Solution

The fourth proportional to 302,612.55, 453,684.93 and 152,775.71 is: 229,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,612.55 : 453,684.93 = 152,775.71 : x
  2. Step 2: Convert to fraction form
    302,612.55/453,684.93 = 152,775.71/x
  3. Step 3: Cross multiply
    302,612.55x = 453,684.93 × 152,775.71
  4. Step 4: Simplify right side
    302,612.55x = 69,312,037,297.05
  5. Step 5: Solve for x
    x = 69,312,037,297.05/302,612.55
  6. Step 6: Final answer
    x = 229,045.48

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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.