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Finding the Fourth Proportional to 404,937.70, 607,060.95 and 286,235.62

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Solution

The fourth proportional to 404,937.70, 607,060.95 and 286,235.62 is: 429,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,937.70 : 607,060.95 = 286,235.62 : x
  2. Step 2: Convert to fraction form
    404,937.70/607,060.95 = 286,235.62/x
  3. Step 3: Cross multiply
    404,937.70x = 607,060.95 × 286,235.62
  4. Step 4: Simplify right side
    404,937.70x = 173,762,467,401.04
  5. Step 5: Solve for x
    x = 173,762,467,401.04/404,937.70
  6. Step 6: Final answer
    x = 429,109.14

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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.