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Finding the Fourth Proportional to 604,006.20, 906,005.70 and 154,726.20

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Solution

The fourth proportional to 604,006.20, 906,005.70 and 154,726.20 is: 232,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,006.20 : 906,005.70 = 154,726.20 : x
  2. Step 2: Convert to fraction form
    604,006.20/906,005.70 = 154,726.20/x
  3. Step 3: Cross multiply
    604,006.20x = 906,005.70 × 154,726.20
  4. Step 4: Simplify right side
    604,006.20x = 140,182,819,139.34
  5. Step 5: Solve for x
    x = 140,182,819,139.34/604,006.20
  6. Step 6: Final answer
    x = 232,088.38

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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.