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Finding the Fourth Proportional to 616,684.19, 851,030.49 and 344,767.19

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Solution

The fourth proportional to 616,684.19, 851,030.49 and 344,767.19 is: 475,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,684.19 : 851,030.49 = 344,767.19 : x
  2. Step 2: Convert to fraction form
    616,684.19/851,030.49 = 344,767.19/x
  3. Step 3: Cross multiply
    616,684.19x = 851,030.49 × 344,767.19
  4. Step 4: Simplify right side
    616,684.19x = 293,407,386,386.47
  5. Step 5: Solve for x
    x = 293,407,386,386.47/616,684.19
  6. Step 6: Final answer
    x = 475,782.25

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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.