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Finding the Fourth Proportional to 358,744.06, 495,066.74 and 197,599.10

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Solution

The fourth proportional to 358,744.06, 495,066.74 and 197,599.10 is: 272,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,744.06 : 495,066.74 = 197,599.10 : x
  2. Step 2: Convert to fraction form
    358,744.06/495,066.74 = 197,599.10/x
  3. Step 3: Cross multiply
    358,744.06x = 495,066.74 × 197,599.10
  4. Step 4: Simplify right side
    358,744.06x = 97,824,739,788.60
  5. Step 5: Solve for x
    x = 97,824,739,788.60/358,744.06
  6. Step 6: Final answer
    x = 272,686.72

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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.