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Finding the Fourth Proportional to 614,880.64, 848,527.68 and 346,608.64

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Solution

The fourth proportional to 614,880.64, 848,527.68 and 346,608.64 is: 478,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,880.64 : 848,527.68 = 346,608.64 : x
  2. Step 2: Convert to fraction form
    614,880.64/848,527.68 = 346,608.64/x
  3. Step 3: Cross multiply
    614,880.64x = 848,527.68 × 346,608.64
  4. Step 4: Simplify right side
    614,880.64x = 294,107,025,167.16
  5. Step 5: Solve for x
    x = 294,107,025,167.16/614,880.64
  6. Step 6: Final answer
    x = 478,315.64

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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.