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Finding the Fourth Proportional to 423,159.60, 583,960.20 and 241,875.40

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Solution

The fourth proportional to 423,159.60, 583,960.20 and 241,875.40 is: 333,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,159.60 : 583,960.20 = 241,875.40 : x
  2. Step 2: Convert to fraction form
    423,159.60/583,960.20 = 241,875.40/x
  3. Step 3: Cross multiply
    423,159.60x = 583,960.20 × 241,875.40
  4. Step 4: Simplify right side
    423,159.60x = 141,245,606,959.08
  5. Step 5: Solve for x
    x = 141,245,606,959.08/423,159.60
  6. Step 6: Final answer
    x = 333,788.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.