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Finding the Fourth Proportional to 536,291.04, 740,061.36 and 297,842.40

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Solution

The fourth proportional to 536,291.04, 740,061.36 and 297,842.40 is: 411,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,291.04 : 740,061.36 = 297,842.40 : x
  2. Step 2: Convert to fraction form
    536,291.04/740,061.36 = 297,842.40/x
  3. Step 3: Cross multiply
    536,291.04x = 740,061.36 × 297,842.40
  4. Step 4: Simplify right side
    536,291.04x = 220,421,651,609.66
  5. Step 5: Solve for x
    x = 220,421,651,609.66/536,291.04
  6. Step 6: Final answer
    x = 411,011.25

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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.