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Finding the Fourth Proportional to 480,705.39, 663,346.42 and 262,870.82

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Solution

The fourth proportional to 480,705.39, 663,346.42 and 262,870.82 is: 362,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,705.39 : 663,346.42 = 262,870.82 : x
  2. Step 2: Convert to fraction form
    480,705.39/663,346.42 = 262,870.82/x
  3. Step 3: Cross multiply
    480,705.39x = 663,346.42 × 262,870.82
  4. Step 4: Simplify right side
    480,705.39x = 174,374,416,055.11
  5. Step 5: Solve for x
    x = 174,374,416,055.11/480,705.39
  6. Step 6: Final answer
    x = 362,746.95

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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.