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Finding the Fourth Proportional to 615,196.49, 847,076.33 and 524,348.51

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Solution

The fourth proportional to 615,196.49, 847,076.33 and 524,348.51 is: 721,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,196.49 : 847,076.33 = 524,348.51 : x
  2. Step 2: Convert to fraction form
    615,196.49/847,076.33 = 524,348.51/x
  3. Step 3: Cross multiply
    615,196.49x = 847,076.33 × 524,348.51
  4. Step 4: Simplify right side
    615,196.49x = 444,163,208,567.26
  5. Step 5: Solve for x
    x = 444,163,208,567.26/615,196.49
  6. Step 6: Final answer
    x = 721,985.93

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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.