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Finding the Fourth Proportional to 756,368, 1,043,809.44 and 416,858.16

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Solution

The fourth proportional to 756,368, 1,043,809.44 and 416,858.16 is: 575,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,368 : 1,043,809.44 = 416,858.16 : x
  2. Step 2: Convert to fraction form
    756,368/1,043,809.44 = 416,858.16/x
  3. Step 3: Cross multiply
    756,368x = 1,043,809.44 × 416,858.16
  4. Step 4: Simplify right side
    756,368x = 435,120,482,549.03
  5. Step 5: Solve for x
    x = 435,120,482,549.03/756,368
  6. Step 6: Final answer
    x = 575,276.17

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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.