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Finding the Fourth Proportional to 550,368.16, 759,185.70 and 346,095.88

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Solution

The fourth proportional to 550,368.16, 759,185.70 and 346,095.88 is: 477,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,368.16 : 759,185.70 = 346,095.88 : x
  2. Step 2: Convert to fraction form
    550,368.16/759,185.70 = 346,095.88/x
  3. Step 3: Cross multiply
    550,368.16x = 759,185.70 × 346,095.88
  4. Step 4: Simplify right side
    550,368.16x = 262,751,042,924.92
  5. Step 5: Solve for x
    x = 262,751,042,924.92/550,368.16
  6. Step 6: Final answer
    x = 477,409.60

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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.