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Finding the Fourth Proportional to 528,042.70, 792,064.05 and 496,938.70

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Solution

The fourth proportional to 528,042.70, 792,064.05 and 496,938.70 is: 745,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,042.70 : 792,064.05 = 496,938.70 : x
  2. Step 2: Convert to fraction form
    528,042.70/792,064.05 = 496,938.70/x
  3. Step 3: Cross multiply
    528,042.70x = 792,064.05 × 496,938.70
  4. Step 4: Simplify right side
    528,042.70x = 393,607,279,323.74
  5. Step 5: Solve for x
    x = 393,607,279,323.74/528,042.70
  6. Step 6: Final answer
    x = 745,408.05

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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.