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Finding the Fourth Proportional to 628,607.54, 937,636.40 and 577,023.50

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Solution

The fourth proportional to 628,607.54, 937,636.40 and 577,023.50 is: 860,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,607.54 : 937,636.40 = 577,023.50 : x
  2. Step 2: Convert to fraction form
    628,607.54/937,636.40 = 577,023.50/x
  3. Step 3: Cross multiply
    628,607.54x = 937,636.40 × 577,023.50
  4. Step 4: Simplify right side
    628,607.54x = 541,038,229,682.10
  5. Step 5: Solve for x
    x = 541,038,229,682.10/628,607.54
  6. Step 6: Final answer
    x = 860,693.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.