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Finding the Fourth Proportional to 562,637.64, 776,390.77 and 333,153.76

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Solution

The fourth proportional to 562,637.64, 776,390.77 and 333,153.76 is: 459,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,637.64 : 776,390.77 = 333,153.76 : x
  2. Step 2: Convert to fraction form
    562,637.64/776,390.77 = 333,153.76/x
  3. Step 3: Cross multiply
    562,637.64x = 776,390.77 × 333,153.76
  4. Step 4: Simplify right side
    562,637.64x = 258,657,504,185.99
  5. Step 5: Solve for x
    x = 258,657,504,185.99/562,637.64
  6. Step 6: Final answer
    x = 459,723.07

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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.