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Finding the Fourth Proportional to 377,572, 566,445.60 and 128,254.24

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Solution

The fourth proportional to 377,572, 566,445.60 and 128,254.24 is: 192,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,572 : 566,445.60 = 128,254.24 : x
  2. Step 2: Convert to fraction form
    377,572/566,445.60 = 128,254.24/x
  3. Step 3: Cross multiply
    377,572x = 566,445.60 × 128,254.24
  4. Step 4: Simplify right side
    377,572x = 72,649,049,929.34
  5. Step 5: Solve for x
    x = 72,649,049,929.34/377,572
  6. Step 6: Final answer
    x = 192,411.12

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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.