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Finding the Fourth Proportional to 507,301.38, 760,984.88 and 170,328.42

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Solution

The fourth proportional to 507,301.38, 760,984.88 and 170,328.42 is: 255,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,301.38 : 760,984.88 = 170,328.42 : x
  2. Step 2: Convert to fraction form
    507,301.38/760,984.88 = 170,328.42/x
  3. Step 3: Cross multiply
    507,301.38x = 760,984.88 × 170,328.42
  4. Step 4: Simplify right side
    507,301.38x = 129,617,352,254.29
  5. Step 5: Solve for x
    x = 129,617,352,254.29/507,301.38
  6. Step 6: Final answer
    x = 255,503.65

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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.