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Finding the Fourth Proportional to 607,069.20, 910,603.80 and 555,893.40

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Solution

The fourth proportional to 607,069.20, 910,603.80 and 555,893.40 is: 833,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,069.20 : 910,603.80 = 555,893.40 : x
  2. Step 2: Convert to fraction form
    607,069.20/910,603.80 = 555,893.40/x
  3. Step 3: Cross multiply
    607,069.20x = 910,603.80 × 555,893.40
  4. Step 4: Simplify right side
    607,069.20x = 506,198,642,434.92
  5. Step 5: Solve for x
    x = 506,198,642,434.92/607,069.20
  6. Step 6: Final answer
    x = 833,840.10

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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.