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Finding the Fourth Proportional to 549,831.40, 824,892.90 and 194,808.40

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Solution

The fourth proportional to 549,831.40, 824,892.90 and 194,808.40 is: 292,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,831.40 : 824,892.90 = 194,808.40 : x
  2. Step 2: Convert to fraction form
    549,831.40/824,892.90 = 194,808.40/x
  3. Step 3: Cross multiply
    549,831.40x = 824,892.90 × 194,808.40
  4. Step 4: Simplify right side
    549,831.40x = 160,696,066,020.36
  5. Step 5: Solve for x
    x = 160,696,066,020.36/549,831.40
  6. Step 6: Final answer
    x = 292,264.26

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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.