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Finding the Fourth Proportional to 668,718.02, 922,830.77 and 382,244.26

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Solution

The fourth proportional to 668,718.02, 922,830.77 and 382,244.26 is: 527,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,718.02 : 922,830.77 = 382,244.26 : x
  2. Step 2: Convert to fraction form
    668,718.02/922,830.77 = 382,244.26/x
  3. Step 3: Cross multiply
    668,718.02x = 922,830.77 × 382,244.26
  4. Step 4: Simplify right side
    668,718.02x = 352,746,758,258.51
  5. Step 5: Solve for x
    x = 352,746,758,258.51/668,718.02
  6. Step 6: Final answer
    x = 527,497.01

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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.