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Finding the Fourth Proportional to 651,842.40, 977,763.60 and 573,045.60

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Solution

The fourth proportional to 651,842.40, 977,763.60 and 573,045.60 is: 859,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,842.40 : 977,763.60 = 573,045.60 : x
  2. Step 2: Convert to fraction form
    651,842.40/977,763.60 = 573,045.60/x
  3. Step 3: Cross multiply
    651,842.40x = 977,763.60 × 573,045.60
  4. Step 4: Simplify right side
    651,842.40x = 560,303,128,820.16
  5. Step 5: Solve for x
    x = 560,303,128,820.16/651,842.40
  6. Step 6: Final answer
    x = 859,568.40

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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.