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Finding the Fourth Proportional to 614,931.30, 848,602.98 and 342,999

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Solution

The fourth proportional to 614,931.30, 848,602.98 and 342,999 is: 473,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,931.30 : 848,602.98 = 342,999 : x
  2. Step 2: Convert to fraction form
    614,931.30/848,602.98 = 342,999/x
  3. Step 3: Cross multiply
    614,931.30x = 848,602.98 × 342,999
  4. Step 4: Simplify right side
    614,931.30x = 291,069,973,537.02
  5. Step 5: Solve for x
    x = 291,069,973,537.02/614,931.30
  6. Step 6: Final answer
    x = 473,337.39

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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.