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Finding the Fourth Proportional to 590,743.90, 885,787.80 and 235,356.40

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Solution

The fourth proportional to 590,743.90, 885,787.80 and 235,356.40 is: 352,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,743.90 : 885,787.80 = 235,356.40 : x
  2. Step 2: Convert to fraction form
    590,743.90/885,787.80 = 235,356.40/x
  3. Step 3: Cross multiply
    590,743.90x = 885,787.80 × 235,356.40
  4. Step 4: Simplify right side
    590,743.90x = 208,475,827,771.92
  5. Step 5: Solve for x
    x = 208,475,827,771.92/590,743.90
  6. Step 6: Final answer
    x = 352,903.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.