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Finding the Fourth Proportional to 623,250.76, 860,262.50 and 368,690.44

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Solution

The fourth proportional to 623,250.76, 860,262.50 and 368,690.44 is: 508,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,250.76 : 860,262.50 = 368,690.44 : x
  2. Step 2: Convert to fraction form
    623,250.76/860,262.50 = 368,690.44/x
  3. Step 3: Cross multiply
    623,250.76x = 860,262.50 × 368,690.44
  4. Step 4: Simplify right side
    623,250.76x = 317,170,559,640.50
  5. Step 5: Solve for x
    x = 317,170,559,640.50/623,250.76
  6. Step 6: Final answer
    x = 508,897.19

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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.