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Finding the Fourth Proportional to 713,555.03, 1,070,511.02 and 503,603.03

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Solution

The fourth proportional to 713,555.03, 1,070,511.02 and 503,603.03 is: 755,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,555.03 : 1,070,511.02 = 503,603.03 : x
  2. Step 2: Convert to fraction form
    713,555.03/1,070,511.02 = 503,603.03/x
  3. Step 3: Cross multiply
    713,555.03x = 1,070,511.02 × 503,603.03
  4. Step 4: Simplify right side
    713,555.03x = 539,112,593,320.39
  5. Step 5: Solve for x
    x = 539,112,593,320.39/713,555.03
  6. Step 6: Final answer
    x = 755,530.51

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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.