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Finding the Fourth Proportional to 673,552.80, 929,516.40 and 371,746.08

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Solution

The fourth proportional to 673,552.80, 929,516.40 and 371,746.08 is: 513,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,552.80 : 929,516.40 = 371,746.08 : x
  2. Step 2: Convert to fraction form
    673,552.80/929,516.40 = 371,746.08/x
  3. Step 3: Cross multiply
    673,552.80x = 929,516.40 × 371,746.08
  4. Step 4: Simplify right side
    673,552.80x = 345,544,077,995.71
  5. Step 5: Solve for x
    x = 345,544,077,995.71/673,552.80
  6. Step 6: Final answer
    x = 513,017.06

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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.