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Finding the Fourth Proportional to 768,301.60, 1,153,764.60 and 503,237.20

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Solution

The fourth proportional to 768,301.60, 1,153,764.60 and 503,237.20 is: 755,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,301.60 : 1,153,764.60 = 503,237.20 : x
  2. Step 2: Convert to fraction form
    768,301.60/1,153,764.60 = 503,237.20/x
  3. Step 3: Cross multiply
    768,301.60x = 1,153,764.60 × 503,237.20
  4. Step 4: Simplify right side
    768,301.60x = 580,617,266,763.12
  5. Step 5: Solve for x
    x = 580,617,266,763.12/768,301.60
  6. Step 6: Final answer
    x = 755,715.29

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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.