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Finding the Fourth Proportional to 615,926.30, 918,196.04 and 606,220.10

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Solution

The fourth proportional to 615,926.30, 918,196.04 and 606,220.10 is: 903,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,926.30 : 918,196.04 = 606,220.10 : x
  2. Step 2: Convert to fraction form
    615,926.30/918,196.04 = 606,220.10/x
  3. Step 3: Cross multiply
    615,926.30x = 918,196.04 × 606,220.10
  4. Step 4: Simplify right side
    615,926.30x = 556,628,895,188.40
  5. Step 5: Solve for x
    x = 556,628,895,188.40/615,926.30
  6. Step 6: Final answer
    x = 903,726.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.