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Finding the Fourth Proportional to 614,841.69, 848,483.04 and 342,927.20

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Solution

The fourth proportional to 614,841.69, 848,483.04 and 342,927.20 is: 473,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,841.69 : 848,483.04 = 342,927.20 : x
  2. Step 2: Convert to fraction form
    614,841.69/848,483.04 = 342,927.20/x
  3. Step 3: Cross multiply
    614,841.69x = 848,483.04 × 342,927.20
  4. Step 4: Simplify right side
    614,841.69x = 290,967,913,154.69
  5. Step 5: Solve for x
    x = 290,967,913,154.69/614,841.69
  6. Step 6: Final answer
    x = 473,240.38

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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.