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Finding the Fourth Proportional to 440,841.46, 607,798.05 and 285,518.38

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Solution

The fourth proportional to 440,841.46, 607,798.05 and 285,518.38 is: 393,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,841.46 : 607,798.05 = 285,518.38 : x
  2. Step 2: Convert to fraction form
    440,841.46/607,798.05 = 285,518.38/x
  3. Step 3: Cross multiply
    440,841.46x = 607,798.05 × 285,518.38
  4. Step 4: Simplify right side
    440,841.46x = 173,537,514,603.16
  5. Step 5: Solve for x
    x = 173,537,514,603.16/440,841.46
  6. Step 6: Final answer
    x = 393,650.62

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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.