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Finding the Fourth Proportional to 573,313.80, 859,970.70 and 511,312.35

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Solution

The fourth proportional to 573,313.80, 859,970.70 and 511,312.35 is: 766,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,313.80 : 859,970.70 = 511,312.35 : x
  2. Step 2: Convert to fraction form
    573,313.80/859,970.70 = 511,312.35/x
  3. Step 3: Cross multiply
    573,313.80x = 859,970.70 × 511,312.35
  4. Step 4: Simplify right side
    573,313.80x = 439,713,639,548.15
  5. Step 5: Solve for x
    x = 439,713,639,548.15/573,313.80
  6. Step 6: Final answer
    x = 766,968.53

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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.