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Finding the Fourth Proportional to 355,655.10, 533,482.65 and 156,071.10

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Solution

The fourth proportional to 355,655.10, 533,482.65 and 156,071.10 is: 234,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,655.10 : 533,482.65 = 156,071.10 : x
  2. Step 2: Convert to fraction form
    355,655.10/533,482.65 = 156,071.10/x
  3. Step 3: Cross multiply
    355,655.10x = 533,482.65 × 156,071.10
  4. Step 4: Simplify right side
    355,655.10x = 83,261,224,016.42
  5. Step 5: Solve for x
    x = 83,261,224,016.42/355,655.10
  6. Step 6: Final answer
    x = 234,106.65

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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.