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Finding the Fourth Proportional to 615,037.30, 922,555.95 and 366,205.30

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Solution

The fourth proportional to 615,037.30, 922,555.95 and 366,205.30 is: 549,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,037.30 : 922,555.95 = 366,205.30 : x
  2. Step 2: Convert to fraction form
    615,037.30/922,555.95 = 366,205.30/x
  3. Step 3: Cross multiply
    615,037.30x = 922,555.95 × 366,205.30
  4. Step 4: Simplify right side
    615,037.30x = 337,844,878,436.54
  5. Step 5: Solve for x
    x = 337,844,878,436.54/615,037.30
  6. Step 6: Final answer
    x = 549,307.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.