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Finding the Fourth Proportional to 671,453.16, 926,608.86 and 369,647.16

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Solution

The fourth proportional to 671,453.16, 926,608.86 and 369,647.16 is: 510,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,453.16 : 926,608.86 = 369,647.16 : x
  2. Step 2: Convert to fraction form
    671,453.16/926,608.86 = 369,647.16/x
  3. Step 3: Cross multiply
    671,453.16x = 926,608.86 × 369,647.16
  4. Step 4: Simplify right side
    671,453.16x = 342,518,333,529.84
  5. Step 5: Solve for x
    x = 342,518,333,529.84/671,453.16
  6. Step 6: Final answer
    x = 510,115.01

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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.