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Finding the Fourth Proportional to 632,714.40, 873,158.40 and 346,233.60

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Solution

The fourth proportional to 632,714.40, 873,158.40 and 346,233.60 is: 477,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,714.40 : 873,158.40 = 346,233.60 : x
  2. Step 2: Convert to fraction form
    632,714.40/873,158.40 = 346,233.60/x
  3. Step 3: Cross multiply
    632,714.40x = 873,158.40 × 346,233.60
  4. Step 4: Simplify right side
    632,714.40x = 302,316,776,202.24
  5. Step 5: Solve for x
    x = 302,316,776,202.24/632,714.40
  6. Step 6: Final answer
    x = 477,809.22

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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.