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Finding the Fourth Proportional to 358,888.84, 495,264.14 and 197,740.14

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Solution

The fourth proportional to 358,888.84, 495,264.14 and 197,740.14 is: 272,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,888.84 : 495,264.14 = 197,740.14 : x
  2. Step 2: Convert to fraction form
    358,888.84/495,264.14 = 197,740.14/x
  3. Step 3: Cross multiply
    358,888.84x = 495,264.14 × 197,740.14
  4. Step 4: Simplify right side
    358,888.84x = 97,933,600,380.58
  5. Step 5: Solve for x
    x = 97,933,600,380.58/358,888.84
  6. Step 6: Final answer
    x = 272,880.04

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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.