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Finding the Fourth Proportional to 353,423.10, 530,216.58 and 185,034.98

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Solution

The fourth proportional to 353,423.10, 530,216.58 and 185,034.98 is: 277,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,423.10 : 530,216.58 = 185,034.98 : x
  2. Step 2: Convert to fraction form
    353,423.10/530,216.58 = 185,034.98/x
  3. Step 3: Cross multiply
    353,423.10x = 530,216.58 × 185,034.98
  4. Step 4: Simplify right side
    353,423.10x = 98,108,614,275.97
  5. Step 5: Solve for x
    x = 98,108,614,275.97/353,423.10
  6. Step 6: Final answer
    x = 277,595.36

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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.