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Finding the Fourth Proportional to 632,920.86, 873,431.73 and 346,459.08

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Solution

The fourth proportional to 632,920.86, 873,431.73 and 346,459.08 is: 478,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,920.86 : 873,431.73 = 346,459.08 : x
  2. Step 2: Convert to fraction form
    632,920.86/873,431.73 = 346,459.08/x
  3. Step 3: Cross multiply
    632,920.86x = 873,431.73 × 346,459.08
  4. Step 4: Simplify right side
    632,920.86x = 302,608,353,618.61
  5. Step 5: Solve for x
    x = 302,608,353,618.61/632,920.86
  6. Step 6: Final answer
    x = 478,114.05

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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.