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Finding the Fourth Proportional to 895,248.16, 1,235,608.08 and 513,277.60

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Solution

The fourth proportional to 895,248.16, 1,235,608.08 and 513,277.60 is: 708,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,248.16 : 1,235,608.08 = 513,277.60 : x
  2. Step 2: Convert to fraction form
    895,248.16/1,235,608.08 = 513,277.60/x
  3. Step 3: Cross multiply
    895,248.16x = 1,235,608.08 × 513,277.60
  4. Step 4: Simplify right side
    895,248.16x = 634,209,949,843.01
  5. Step 5: Solve for x
    x = 634,209,949,843.01/895,248.16
  6. Step 6: Final answer
    x = 708,418.04

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.