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Finding the Fourth Proportional to 583,419.90, 876,004.65 and 406,710.30

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Solution

The fourth proportional to 583,419.90, 876,004.65 and 406,710.30 is: 610,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,419.90 : 876,004.65 = 406,710.30 : x
  2. Step 2: Convert to fraction form
    583,419.90/876,004.65 = 406,710.30/x
  3. Step 3: Cross multiply
    583,419.90x = 876,004.65 × 406,710.30
  4. Step 4: Simplify right side
    583,419.90x = 356,280,114,002.90
  5. Step 5: Solve for x
    x = 356,280,114,002.90/583,419.90
  6. Step 6: Final answer
    x = 610,675.29

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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.