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Finding the Fourth Proportional to 573,189.90, 858,800.70 and 373,407.45

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Solution

The fourth proportional to 573,189.90, 858,800.70 and 373,407.45 is: 559,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,189.90 : 858,800.70 = 373,407.45 : x
  2. Step 2: Convert to fraction form
    573,189.90/858,800.70 = 373,407.45/x
  3. Step 3: Cross multiply
    573,189.90x = 858,800.70 × 373,407.45
  4. Step 4: Simplify right side
    573,189.90x = 320,682,579,445.22
  5. Step 5: Solve for x
    x = 320,682,579,445.22/573,189.90
  6. Step 6: Final answer
    x = 559,470.05

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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.