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Finding the Fourth Proportional to 567,503.55, 783,154.94 and 325,801.80

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Solution

The fourth proportional to 567,503.55, 783,154.94 and 325,801.80 is: 449,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,503.55 : 783,154.94 = 325,801.80 : x
  2. Step 2: Convert to fraction form
    567,503.55/783,154.94 = 325,801.80/x
  3. Step 3: Cross multiply
    567,503.55x = 783,154.94 × 325,801.80
  4. Step 4: Simplify right side
    567,503.55x = 255,153,287,501.88
  5. Step 5: Solve for x
    x = 255,153,287,501.88/567,503.55
  6. Step 6: Final answer
    x = 449,606.50

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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.