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Finding the Fourth Proportional to 370,044.32, 510,314.48 and 245,645.20

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Solution

The fourth proportional to 370,044.32, 510,314.48 and 245,645.20 is: 338,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,044.32 : 510,314.48 = 245,645.20 : x
  2. Step 2: Convert to fraction form
    370,044.32/510,314.48 = 245,645.20/x
  3. Step 3: Cross multiply
    370,044.32x = 510,314.48 × 245,645.20
  4. Step 4: Simplify right side
    370,044.32x = 125,356,302,502.50
  5. Step 5: Solve for x
    x = 125,356,302,502.50/370,044.32
  6. Step 6: Final answer
    x = 338,760.24

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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.