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Finding the Fourth Proportional to 357,500.40, 536,322.60 and 104,780.40

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Solution

The fourth proportional to 357,500.40, 536,322.60 and 104,780.40 is: 157,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,500.40 : 536,322.60 = 104,780.40 : x
  2. Step 2: Convert to fraction form
    357,500.40/536,322.60 = 104,780.40/x
  3. Step 3: Cross multiply
    357,500.40x = 536,322.60 × 104,780.40
  4. Step 4: Simplify right side
    357,500.40x = 56,196,096,557.04
  5. Step 5: Solve for x
    x = 56,196,096,557.04/357,500.40
  6. Step 6: Final answer
    x = 157,191.70

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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.