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Finding the Fourth Proportional to 584,879.10, 807,125.67 and 316,607.10

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Solution

The fourth proportional to 584,879.10, 807,125.67 and 316,607.10 is: 436,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,879.10 : 807,125.67 = 316,607.10 : x
  2. Step 2: Convert to fraction form
    584,879.10/807,125.67 = 316,607.10/x
  3. Step 3: Cross multiply
    584,879.10x = 807,125.67 × 316,607.10
  4. Step 4: Simplify right side
    584,879.10x = 255,541,717,714.26
  5. Step 5: Solve for x
    x = 255,541,717,714.26/584,879.10
  6. Step 6: Final answer
    x = 436,913.74

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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.