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Finding the Fourth Proportional to 974,535.80, 1,461,803.70 and 808,647.80

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Solution

The fourth proportional to 974,535.80, 1,461,803.70 and 808,647.80 is: 1,212,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,535.80 : 1,461,803.70 = 808,647.80 : x
  2. Step 2: Convert to fraction form
    974,535.80/1,461,803.70 = 808,647.80/x
  3. Step 3: Cross multiply
    974,535.80x = 1,461,803.70 × 808,647.80
  4. Step 4: Simplify right side
    974,535.80x = 1,182,084,346,036.86
  5. Step 5: Solve for x
    x = 1,182,084,346,036.86/974,535.80
  6. Step 6: Final answer
    x = 1,212,971.70

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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.