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Finding the Fourth Proportional to 637,293.46, 879,484.80 and 346,924.36

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Solution

The fourth proportional to 637,293.46, 879,484.80 and 346,924.36 is: 478,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,293.46 : 879,484.80 = 346,924.36 : x
  2. Step 2: Convert to fraction form
    637,293.46/879,484.80 = 346,924.36/x
  3. Step 3: Cross multiply
    637,293.46x = 879,484.80 × 346,924.36
  4. Step 4: Simplify right side
    637,293.46x = 305,114,701,369.73
  5. Step 5: Solve for x
    x = 305,114,701,369.73/637,293.46
  6. Step 6: Final answer
    x = 478,766.41

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Double scale
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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.