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Finding the Fourth Proportional to 528,057.80, 792,086.70 and 496,953.80

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Solution

The fourth proportional to 528,057.80, 792,086.70 and 496,953.80 is: 745,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,057.80 : 792,086.70 = 496,953.80 : x
  2. Step 2: Convert to fraction form
    528,057.80/792,086.70 = 496,953.80/x
  3. Step 3: Cross multiply
    528,057.80x = 792,086.70 × 496,953.80
  4. Step 4: Simplify right side
    528,057.80x = 393,630,495,494.46
  5. Step 5: Solve for x
    x = 393,630,495,494.46/528,057.80
  6. Step 6: Final answer
    x = 745,430.70

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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.