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Finding the Fourth Proportional to 614,391.10, 848,223.45 and 546,219.78

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Solution

The fourth proportional to 614,391.10, 848,223.45 and 546,219.78 is: 754,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,391.10 : 848,223.45 = 546,219.78 : x
  2. Step 2: Convert to fraction form
    614,391.10/848,223.45 = 546,219.78/x
  3. Step 3: Cross multiply
    614,391.10x = 848,223.45 × 546,219.78
  4. Step 4: Simplify right side
    614,391.10x = 463,316,426,990.88
  5. Step 5: Solve for x
    x = 463,316,426,990.88/614,391.10
  6. Step 6: Final answer
    x = 754,106.67

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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.