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Finding the Fourth Proportional to 593,831.40, 890,747.10 and 520,103.40

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Solution

The fourth proportional to 593,831.40, 890,747.10 and 520,103.40 is: 780,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,831.40 : 890,747.10 = 520,103.40 : x
  2. Step 2: Convert to fraction form
    593,831.40/890,747.10 = 520,103.40/x
  3. Step 3: Cross multiply
    593,831.40x = 890,747.10 × 520,103.40
  4. Step 4: Simplify right side
    593,831.40x = 463,280,595,250.14
  5. Step 5: Solve for x
    x = 463,280,595,250.14/593,831.40
  6. Step 6: Final answer
    x = 780,155.10

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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.