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Finding the Fourth Proportional to 873,804.03, 1,205,772.72 and 486,590.22

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Solution

The fourth proportional to 873,804.03, 1,205,772.72 and 486,590.22 is: 671,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,804.03 : 1,205,772.72 = 486,590.22 : x
  2. Step 2: Convert to fraction form
    873,804.03/1,205,772.72 = 486,590.22/x
  3. Step 3: Cross multiply
    873,804.03x = 1,205,772.72 × 486,590.22
  4. Step 4: Simplify right side
    873,804.03x = 586,717,213,094.80
  5. Step 5: Solve for x
    x = 586,717,213,094.80/873,804.03
  6. Step 6: Final answer
    x = 671,451.71

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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.