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Finding the Fourth Proportional to 895,212, 1,235,392.56 and 513,365.04

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Solution

The fourth proportional to 895,212, 1,235,392.56 and 513,365.04 is: 708,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,212 : 1,235,392.56 = 513,365.04 : x
  2. Step 2: Convert to fraction form
    895,212/1,235,392.56 = 513,365.04/x
  3. Step 3: Cross multiply
    895,212x = 1,235,392.56 × 513,365.04
  4. Step 4: Simplify right side
    895,212x = 634,207,350,980.10
  5. Step 5: Solve for x
    x = 634,207,350,980.10/895,212
  6. Step 6: Final answer
    x = 708,443.76

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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.