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Finding the Fourth Proportional to 565,831.62, 780,710.58 and 359,024.76

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Solution

The fourth proportional to 565,831.62, 780,710.58 and 359,024.76 is: 495,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,831.62 : 780,710.58 = 359,024.76 : x
  2. Step 2: Convert to fraction form
    565,831.62/780,710.58 = 359,024.76/x
  3. Step 3: Cross multiply
    565,831.62x = 780,710.58 × 359,024.76
  4. Step 4: Simplify right side
    565,831.62x = 280,294,428,613.96
  5. Step 5: Solve for x
    x = 280,294,428,613.96/565,831.62
  6. Step 6: Final answer
    x = 495,367.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.