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Finding the Fourth Proportional to 632,980.08, 873,509.40 and 346,494.96

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Solution

The fourth proportional to 632,980.08, 873,509.40 and 346,494.96 is: 478,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,980.08 : 873,509.40 = 346,494.96 : x
  2. Step 2: Convert to fraction form
    632,980.08/873,509.40 = 346,494.96/x
  3. Step 3: Cross multiply
    632,980.08x = 873,509.40 × 346,494.96
  4. Step 4: Simplify right side
    632,980.08x = 302,666,604,612.62
  5. Step 5: Solve for x
    x = 302,666,604,612.62/632,980.08
  6. Step 6: Final answer
    x = 478,161.34

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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.