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Finding the Fourth Proportional to 613,595.79, 920,456.52 and 234,835.06

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Solution

The fourth proportional to 613,595.79, 920,456.52 and 234,835.06 is: 352,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,595.79 : 920,456.52 = 234,835.06 : x
  2. Step 2: Convert to fraction form
    613,595.79/920,456.52 = 234,835.06/x
  3. Step 3: Cross multiply
    613,595.79x = 920,456.52 × 234,835.06
  4. Step 4: Simplify right side
    613,595.79x = 216,155,462,101.59
  5. Step 5: Solve for x
    x = 216,155,462,101.59/613,595.79
  6. Step 6: Final answer
    x = 352,276.64

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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.