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Finding the Fourth Proportional to 550,384.16, 759,222.60 and 346,358.93

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Solution

The fourth proportional to 550,384.16, 759,222.60 and 346,358.93 is: 477,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,384.16 : 759,222.60 = 346,358.93 : x
  2. Step 2: Convert to fraction form
    550,384.16/759,222.60 = 346,358.93/x
  3. Step 3: Cross multiply
    550,384.16x = 759,222.60 × 346,358.93
  4. Step 4: Simplify right side
    550,384.16x = 262,963,527,367.82
  5. Step 5: Solve for x
    x = 262,963,527,367.82/550,384.16
  6. Step 6: Final answer
    x = 477,781.79

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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.