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Finding the Fourth Proportional to 677,216.48, 932,430.84 and 575,026.88

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Solution

The fourth proportional to 677,216.48, 932,430.84 and 575,026.88 is: 791,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,216.48 : 932,430.84 = 575,026.88 : x
  2. Step 2: Convert to fraction form
    677,216.48/932,430.84 = 575,026.88/x
  3. Step 3: Cross multiply
    677,216.48x = 932,430.84 × 575,026.88
  4. Step 4: Simplify right side
    677,216.48x = 536,172,796,740.98
  5. Step 5: Solve for x
    x = 536,172,796,740.98/677,216.48
  6. Step 6: Final answer
    x = 791,730.29

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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.