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Finding the Fourth Proportional to 708,354.88, 977,501.22 and 386,058.08

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Solution

The fourth proportional to 708,354.88, 977,501.22 and 386,058.08 is: 532,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,354.88 : 977,501.22 = 386,058.08 : x
  2. Step 2: Convert to fraction form
    708,354.88/977,501.22 = 386,058.08/x
  3. Step 3: Cross multiply
    708,354.88x = 977,501.22 × 386,058.08
  4. Step 4: Simplify right side
    708,354.88x = 377,372,244,190.86
  5. Step 5: Solve for x
    x = 377,372,244,190.86/708,354.88
  6. Step 6: Final answer
    x = 532,744.61

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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.