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Finding the Fourth Proportional to 604,714.96, 834,541.10 and 346,634.83

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Solution

The fourth proportional to 604,714.96, 834,541.10 and 346,634.83 is: 478,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,714.96 : 834,541.10 = 346,634.83 : x
  2. Step 2: Convert to fraction form
    604,714.96/834,541.10 = 346,634.83/x
  3. Step 3: Cross multiply
    604,714.96x = 834,541.10 × 346,634.83
  4. Step 4: Simplify right side
    604,714.96x = 289,281,012,326.51
  5. Step 5: Solve for x
    x = 289,281,012,326.51/604,714.96
  6. Step 6: Final answer
    x = 478,375.82

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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.