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Finding the Fourth Proportional to 616,816.12, 850,369.15 and 432,804.68

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Solution

The fourth proportional to 616,816.12, 850,369.15 and 432,804.68 is: 596,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,816.12 : 850,369.15 = 432,804.68 : x
  2. Step 2: Convert to fraction form
    616,816.12/850,369.15 = 432,804.68/x
  3. Step 3: Cross multiply
    616,816.12x = 850,369.15 × 432,804.68
  4. Step 4: Simplify right side
    616,816.12x = 368,043,743,108.11
  5. Step 5: Solve for x
    x = 368,043,743,108.11/616,816.12
  6. Step 6: Final answer
    x = 596,683.08

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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.