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Finding the Fourth Proportional to 423,335.84, 584,214.54 and 242,077.28

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Solution

The fourth proportional to 423,335.84, 584,214.54 and 242,077.28 is: 334,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,335.84 : 584,214.54 = 242,077.28 : x
  2. Step 2: Convert to fraction form
    423,335.84/584,214.54 = 242,077.28/x
  3. Step 3: Cross multiply
    423,335.84x = 584,214.54 × 242,077.28
  4. Step 4: Simplify right side
    423,335.84x = 141,425,066,779.65
  5. Step 5: Solve for x
    x = 141,425,066,779.65/423,335.84
  6. Step 6: Final answer
    x = 334,072.98

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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.