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Finding the Fourth Proportional to 976,751.60, 1,465,386.60 and 345,599.60

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Solution

The fourth proportional to 976,751.60, 1,465,386.60 and 345,599.60 is: 518,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,751.60 : 1,465,386.60 = 345,599.60 : x
  2. Step 2: Convert to fraction form
    976,751.60/1,465,386.60 = 345,599.60/x
  3. Step 3: Cross multiply
    976,751.60x = 1,465,386.60 × 345,599.60
  4. Step 4: Simplify right side
    976,751.60x = 506,437,022,805.36
  5. Step 5: Solve for x
    x = 506,437,022,805.36/976,751.60
  6. Step 6: Final answer
    x = 518,491.11

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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.