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Finding the Fourth Proportional to 575,784.72, 861,905.58 and 375,674.22

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Solution

The fourth proportional to 575,784.72, 861,905.58 and 375,674.22 is: 562,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,784.72 : 861,905.58 = 375,674.22 : x
  2. Step 2: Convert to fraction form
    575,784.72/861,905.58 = 375,674.22/x
  3. Step 3: Cross multiply
    575,784.72x = 861,905.58 × 375,674.22
  4. Step 4: Simplify right side
    575,784.72x = 323,795,706,480.15
  5. Step 5: Solve for x
    x = 323,795,706,480.15/575,784.72
  6. Step 6: Final answer
    x = 562,355.50

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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.