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Finding the Fourth Proportional to 598,788.40, 896,870.40 and 520,056.40

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Solution

The fourth proportional to 598,788.40, 896,870.40 and 520,056.40 is: 778,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,788.40 : 896,870.40 = 520,056.40 : x
  2. Step 2: Convert to fraction form
    598,788.40/896,870.40 = 520,056.40/x
  3. Step 3: Cross multiply
    598,788.40x = 896,870.40 × 520,056.40
  4. Step 4: Simplify right side
    598,788.40x = 466,423,191,490.56
  5. Step 5: Solve for x
    x = 466,423,191,490.56/598,788.40
  6. Step 6: Final answer
    x = 778,944.94

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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.