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Finding the Fourth Proportional to 573,965.80, 860,948.70 and 510,980.20

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Solution

The fourth proportional to 573,965.80, 860,948.70 and 510,980.20 is: 766,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,965.80 : 860,948.70 = 510,980.20 : x
  2. Step 2: Convert to fraction form
    573,965.80/860,948.70 = 510,980.20/x
  3. Step 3: Cross multiply
    573,965.80x = 860,948.70 × 510,980.20
  4. Step 4: Simplify right side
    573,965.80x = 439,927,738,915.74
  5. Step 5: Solve for x
    x = 439,927,738,915.74/573,965.80
  6. Step 6: Final answer
    x = 766,470.30

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1.5x scale

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.