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Finding the Fourth Proportional to 358,700.93, 495,029.66 and 197,555.93

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Solution

The fourth proportional to 358,700.93, 495,029.66 and 197,555.93 is: 272,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,700.93 : 495,029.66 = 197,555.93 : x
  2. Step 2: Convert to fraction form
    358,700.93/495,029.66 = 197,555.93/x
  3. Step 3: Cross multiply
    358,700.93x = 495,029.66 × 197,555.93
  4. Step 4: Simplify right side
    358,700.93x = 97,796,044,858.88
  5. Step 5: Solve for x
    x = 97,796,044,858.88/358,700.93
  6. Step 6: Final answer
    x = 272,639.51

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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.