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Finding the Fourth Proportional to 706,094.40, 974,416.08 and 383,804.40

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Solution

The fourth proportional to 706,094.40, 974,416.08 and 383,804.40 is: 529,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,094.40 : 974,416.08 = 383,804.40 : x
  2. Step 2: Convert to fraction form
    706,094.40/974,416.08 = 383,804.40/x
  3. Step 3: Cross multiply
    706,094.40x = 974,416.08 × 383,804.40
  4. Step 4: Simplify right side
    706,094.40x = 373,985,178,934.75
  5. Step 5: Solve for x
    x = 373,985,178,934.75/706,094.40
  6. Step 6: Final answer
    x = 529,653.23

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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.