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Finding the Fourth Proportional to 508,581, 762,853.07 and 153,585.95

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Solution

The fourth proportional to 508,581, 762,853.07 and 153,585.95 is: 230,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,581 : 762,853.07 = 153,585.95 : x
  2. Step 2: Convert to fraction form
    508,581/762,853.07 = 153,585.95/x
  3. Step 3: Cross multiply
    508,581x = 762,853.07 × 153,585.95
  4. Step 4: Simplify right side
    508,581x = 117,163,510,036.07
  5. Step 5: Solve for x
    x = 117,163,510,036.07/508,581
  6. Step 6: Final answer
    x = 230,373.35

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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.