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Finding the Fourth Proportional to 604,280.96, 906,421.59 and 155,001.70

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Solution

The fourth proportional to 604,280.96, 906,421.59 and 155,001.70 is: 232,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,280.96 : 906,421.59 = 155,001.70 : x
  2. Step 2: Convert to fraction form
    604,280.96/906,421.59 = 155,001.70/x
  3. Step 3: Cross multiply
    604,280.96x = 906,421.59 × 155,001.70
  4. Step 4: Simplify right side
    604,280.96x = 140,496,888,499.73
  5. Step 5: Solve for x
    x = 140,496,888,499.73/604,280.96
  6. Step 6: Final answer
    x = 232,502.59

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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.