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Finding the Fourth Proportional to 452,374.74, 673,603.65 and 436,210.02

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Solution

The fourth proportional to 452,374.74, 673,603.65 and 436,210.02 is: 649,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,374.74 : 673,603.65 = 436,210.02 : x
  2. Step 2: Convert to fraction form
    452,374.74/673,603.65 = 436,210.02/x
  3. Step 3: Cross multiply
    452,374.74x = 673,603.65 × 436,210.02
  4. Step 4: Simplify right side
    452,374.74x = 293,832,661,638.57
  5. Step 5: Solve for x
    x = 293,832,661,638.57/452,374.74
  6. Step 6: Final answer
    x = 649,533.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.