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Finding the Fourth Proportional to 360,371.16, 497,326.23 and 239,303.70

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Solution

The fourth proportional to 360,371.16, 497,326.23 and 239,303.70 is: 330,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,371.16 : 497,326.23 = 239,303.70 : x
  2. Step 2: Convert to fraction form
    360,371.16/497,326.23 = 239,303.70/x
  3. Step 3: Cross multiply
    360,371.16x = 497,326.23 × 239,303.70
  4. Step 4: Simplify right side
    360,371.16x = 119,012,006,946.05
  5. Step 5: Solve for x
    x = 119,012,006,946.05/360,371.16
  6. Step 6: Final answer
    x = 330,248.42

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Double scale
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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.