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Finding the Fourth Proportional to 573,448.60, 860,172.90 and 433,480.60

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Solution

The fourth proportional to 573,448.60, 860,172.90 and 433,480.60 is: 650,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,448.60 : 860,172.90 = 433,480.60 : x
  2. Step 2: Convert to fraction form
    573,448.60/860,172.90 = 433,480.60/x
  3. Step 3: Cross multiply
    573,448.60x = 860,172.90 × 433,480.60
  4. Step 4: Simplify right side
    573,448.60x = 372,868,264,795.74
  5. Step 5: Solve for x
    x = 372,868,264,795.74/573,448.60
  6. Step 6: Final answer
    x = 650,220.90

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Double scale
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Similar ratio
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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.