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Finding the Fourth Proportional to 373,079.45, 514,703.48 and 229,590.38

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Solution

The fourth proportional to 373,079.45, 514,703.48 and 229,590.38 is: 316,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,079.45 : 514,703.48 = 229,590.38 : x
  2. Step 2: Convert to fraction form
    373,079.45/514,703.48 = 229,590.38/x
  3. Step 3: Cross multiply
    373,079.45x = 514,703.48 × 229,590.38
  4. Step 4: Simplify right side
    373,079.45x = 118,170,963,839.05
  5. Step 5: Solve for x
    x = 118,170,963,839.05/373,079.45
  6. Step 6: Final answer
    x = 316,744.77

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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.