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Finding the Fourth Proportional to 357,337.60, 536,006.40 and 146,905.60

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Solution

The fourth proportional to 357,337.60, 536,006.40 and 146,905.60 is: 220,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,337.60 : 536,006.40 = 146,905.60 : x
  2. Step 2: Convert to fraction form
    357,337.60/536,006.40 = 146,905.60/x
  3. Step 3: Cross multiply
    357,337.60x = 536,006.40 × 146,905.60
  4. Step 4: Simplify right side
    357,337.60x = 78,742,341,795.84
  5. Step 5: Solve for x
    x = 78,742,341,795.84/357,337.60
  6. Step 6: Final answer
    x = 220,358.40

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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.