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Finding the Fourth Proportional to 288,005.70, 432,008.55 and 101,036.10

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Solution

The fourth proportional to 288,005.70, 432,008.55 and 101,036.10 is: 151,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,005.70 : 432,008.55 = 101,036.10 : x
  2. Step 2: Convert to fraction form
    288,005.70/432,008.55 = 101,036.10/x
  3. Step 3: Cross multiply
    288,005.70x = 432,008.55 × 101,036.10
  4. Step 4: Simplify right side
    288,005.70x = 43,648,459,058.66
  5. Step 5: Solve for x
    x = 43,648,459,058.66/288,005.70
  6. Step 6: Final answer
    x = 151,554.15

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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.