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Finding the Fourth Proportional to 491,482.49, 737,510.37 and 207,155.68

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Solution

The fourth proportional to 491,482.49, 737,510.37 and 207,155.68 is: 310,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,482.49 : 737,510.37 = 207,155.68 : x
  2. Step 2: Convert to fraction form
    491,482.49/737,510.37 = 207,155.68/x
  3. Step 3: Cross multiply
    491,482.49x = 737,510.37 × 207,155.68
  4. Step 4: Simplify right side
    491,482.49x = 152,779,459,583.79
  5. Step 5: Solve for x
    x = 152,779,459,583.79/491,482.49
  6. Step 6: Final answer
    x = 310,854.33

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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.