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Finding the Fourth Proportional to 238,934.40, 358,401.60 and 176,726.40

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Solution

The fourth proportional to 238,934.40, 358,401.60 and 176,726.40 is: 265,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,934.40 : 358,401.60 = 176,726.40 : x
  2. Step 2: Convert to fraction form
    238,934.40/358,401.60 = 176,726.40/x
  3. Step 3: Cross multiply
    238,934.40x = 358,401.60 × 176,726.40
  4. Step 4: Simplify right side
    238,934.40x = 63,339,024,522.24
  5. Step 5: Solve for x
    x = 63,339,024,522.24/238,934.40
  6. Step 6: Final answer
    x = 265,089.60

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1.5x scale

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.