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Finding the Fourth Proportional to 550,606.04, 759,841.53 and 308,893.83

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Solution

The fourth proportional to 550,606.04, 759,841.53 and 308,893.83 is: 426,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,606.04 : 759,841.53 = 308,893.83 : x
  2. Step 2: Convert to fraction form
    550,606.04/759,841.53 = 308,893.83/x
  3. Step 3: Cross multiply
    550,606.04x = 759,841.53 × 308,893.83
  4. Step 4: Simplify right side
    550,606.04x = 234,710,356,595.55
  5. Step 5: Solve for x
    x = 234,710,356,595.55/550,606.04
  6. Step 6: Final answer
    x = 426,276.40

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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.