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Finding the Fourth Proportional to 575,783.83, 794,170.33 and 499,165.93

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Solution

The fourth proportional to 575,783.83, 794,170.33 and 499,165.93 is: 688,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,783.83 : 794,170.33 = 499,165.93 : x
  2. Step 2: Convert to fraction form
    575,783.83/794,170.33 = 499,165.93/x
  3. Step 3: Cross multiply
    575,783.83x = 794,170.33 × 499,165.93
  4. Step 4: Simplify right side
    575,783.83x = 396,422,771,352.86
  5. Step 5: Solve for x
    x = 396,422,771,352.86/575,783.83
  6. Step 6: Final answer
    x = 688,492.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.