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Finding the Fourth Proportional to 868,813.09, 1,303,184.09 and 363,244.30

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Solution

The fourth proportional to 868,813.09, 1,303,184.09 and 363,244.30 is: 544,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,813.09 : 1,303,184.09 = 363,244.30 : x
  2. Step 2: Convert to fraction form
    868,813.09/1,303,184.09 = 363,244.30/x
  3. Step 3: Cross multiply
    868,813.09x = 1,303,184.09 × 363,244.30
  4. Step 4: Simplify right side
    868,813.09x = 473,374,190,193.34
  5. Step 5: Solve for x
    x = 473,374,190,193.34/868,813.09
  6. Step 6: Final answer
    x = 544,851.59

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Double scale
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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.