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Finding the Fourth Proportional to 540,400.60, 811,061.70 and 241,341.40

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Solution

The fourth proportional to 540,400.60, 811,061.70 and 241,341.40 is: 362,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,400.60 : 811,061.70 = 241,341.40 : x
  2. Step 2: Convert to fraction form
    540,400.60/811,061.70 = 241,341.40/x
  3. Step 3: Cross multiply
    540,400.60x = 811,061.70 × 241,341.40
  4. Step 4: Simplify right side
    540,400.60x = 195,742,766,164.38
  5. Step 5: Solve for x
    x = 195,742,766,164.38/540,400.60
  6. Step 6: Final answer
    x = 362,217.89

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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.