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Finding the Fourth Proportional to 314,587.92, 434,002.44 and 178,592.40

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Solution

The fourth proportional to 314,587.92, 434,002.44 and 178,592.40 is: 246,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,587.92 : 434,002.44 = 178,592.40 : x
  2. Step 2: Convert to fraction form
    314,587.92/434,002.44 = 178,592.40/x
  3. Step 3: Cross multiply
    314,587.92x = 434,002.44 × 178,592.40
  4. Step 4: Simplify right side
    314,587.92x = 77,509,537,365.46
  5. Step 5: Solve for x
    x = 77,509,537,365.46/314,587.92
  6. Step 6: Final answer
    x = 246,384.34

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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.