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Finding the Fourth Proportional to 282,765.40, 424,148.10 and 162,699.10

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Solution

The fourth proportional to 282,765.40, 424,148.10 and 162,699.10 is: 244,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,765.40 : 424,148.10 = 162,699.10 : x
  2. Step 2: Convert to fraction form
    282,765.40/424,148.10 = 162,699.10/x
  3. Step 3: Cross multiply
    282,765.40x = 424,148.10 × 162,699.10
  4. Step 4: Simplify right side
    282,765.40x = 69,008,514,136.71
  5. Step 5: Solve for x
    x = 69,008,514,136.71/282,765.40
  6. Step 6: Final answer
    x = 244,048.65

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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.