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Finding the Fourth Proportional to 607,544.30, 910,879.05 and 341,386.40

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Solution

The fourth proportional to 607,544.30, 910,879.05 and 341,386.40 is: 511,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,544.30 : 910,879.05 = 341,386.40 : x
  2. Step 2: Convert to fraction form
    607,544.30/910,879.05 = 341,386.40/x
  3. Step 3: Cross multiply
    607,544.30x = 910,879.05 × 341,386.40
  4. Step 4: Simplify right side
    607,544.30x = 310,961,719,714.92
  5. Step 5: Solve for x
    x = 310,961,719,714.92/607,544.30
  6. Step 6: Final answer
    x = 511,833.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.