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Finding the Fourth Proportional to 547,461.20, 750,009.32 and 526,992.98

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Solution

The fourth proportional to 547,461.20, 750,009.32 and 526,992.98 is: 721,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,461.20 : 750,009.32 = 526,992.98 : x
  2. Step 2: Convert to fraction form
    547,461.20/750,009.32 = 526,992.98/x
  3. Step 3: Cross multiply
    547,461.20x = 750,009.32 × 526,992.98
  4. Step 4: Simplify right side
    547,461.20x = 395,249,646,574.57
  5. Step 5: Solve for x
    x = 395,249,646,574.57/547,461.20
  6. Step 6: Final answer
    x = 721,968.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.