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Finding the Fourth Proportional to 565,068.34, 779,483.72 and 357,957.43

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Solution

The fourth proportional to 565,068.34, 779,483.72 and 357,957.43 is: 493,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,068.34 : 779,483.72 = 357,957.43 : x
  2. Step 2: Convert to fraction form
    565,068.34/779,483.72 = 357,957.43/x
  3. Step 3: Cross multiply
    565,068.34x = 779,483.72 × 357,957.43
  4. Step 4: Simplify right side
    565,068.34x = 279,021,987,348.25
  5. Step 5: Solve for x
    x = 279,021,987,348.25/565,068.34
  6. Step 6: Final answer
    x = 493,784.50

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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.