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Finding the Fourth Proportional to 591,037.60, 885,980.40 and 338,058.40

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Solution

The fourth proportional to 591,037.60, 885,980.40 and 338,058.40 is: 506,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,037.60 : 885,980.40 = 338,058.40 : x
  2. Step 2: Convert to fraction form
    591,037.60/885,980.40 = 338,058.40/x
  3. Step 3: Cross multiply
    591,037.60x = 885,980.40 × 338,058.40
  4. Step 4: Simplify right side
    591,037.60x = 299,513,116,455.36
  5. Step 5: Solve for x
    x = 299,513,116,455.36/591,037.60
  6. Step 6: Final answer
    x = 506,758.14

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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.