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Finding the Fourth Proportional to 573,684.40, 859,489.80 and 507,329.20

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Solution

The fourth proportional to 573,684.40, 859,489.80 and 507,329.20 is: 760,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,684.40 : 859,489.80 = 507,329.20 : x
  2. Step 2: Convert to fraction form
    573,684.40/859,489.80 = 507,329.20/x
  3. Step 3: Cross multiply
    573,684.40x = 859,489.80 × 507,329.20
  4. Step 4: Simplify right side
    573,684.40x = 436,044,272,642.16
  5. Step 5: Solve for x
    x = 436,044,272,642.16/573,684.40
  6. Step 6: Final answer
    x = 760,076.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.