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Finding the Fourth Proportional to 433,547.20, 650,369.40 and 134,025.40

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Solution

The fourth proportional to 433,547.20, 650,369.40 and 134,025.40 is: 201,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,547.20 : 650,369.40 = 134,025.40 : x
  2. Step 2: Convert to fraction form
    433,547.20/650,369.40 = 134,025.40/x
  3. Step 3: Cross multiply
    433,547.20x = 650,369.40 × 134,025.40
  4. Step 4: Simplify right side
    433,547.20x = 87,166,018,982.76
  5. Step 5: Solve for x
    x = 87,166,018,982.76/433,547.20
  6. Step 6: Final answer
    x = 201,053.12

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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.