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Finding the Fourth Proportional to 426,061.90, 588,000.54 and 242,358.04

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Solution

The fourth proportional to 426,061.90, 588,000.54 and 242,358.04 is: 334,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,061.90 : 588,000.54 = 242,358.04 : x
  2. Step 2: Convert to fraction form
    426,061.90/588,000.54 = 242,358.04/x
  3. Step 3: Cross multiply
    426,061.90x = 588,000.54 × 242,358.04
  4. Step 4: Simplify right side
    426,061.90x = 142,506,658,393.34
  5. Step 5: Solve for x
    x = 142,506,658,393.34/426,061.90
  6. Step 6: Final answer
    x = 334,474.07

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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.