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Finding the Fourth Proportional to 507,585, 761,389.74 and 170,630.04

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Solution

The fourth proportional to 507,585, 761,389.74 and 170,630.04 is: 255,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,585 : 761,389.74 = 170,630.04 : x
  2. Step 2: Convert to fraction form
    507,585/761,389.74 = 170,630.04/x
  3. Step 3: Cross multiply
    507,585x = 761,389.74 × 170,630.04
  4. Step 4: Simplify right side
    507,585x = 129,915,961,791.79
  5. Step 5: Solve for x
    x = 129,915,961,791.79/507,585
  6. Step 6: Final answer
    x = 255,949.17

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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.