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Finding the Fourth Proportional to 719,345.18, 996,894.08 and 709,197.50

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Solution

The fourth proportional to 719,345.18, 996,894.08 and 709,197.50 is: 982,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,345.18 : 996,894.08 = 709,197.50 : x
  2. Step 2: Convert to fraction form
    719,345.18/996,894.08 = 709,197.50/x
  3. Step 3: Cross multiply
    719,345.18x = 996,894.08 × 709,197.50
  4. Step 4: Simplify right side
    719,345.18x = 706,994,789,300.80
  5. Step 5: Solve for x
    x = 706,994,789,300.80/719,345.18
  6. Step 6: Final answer
    x = 982,831.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.