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Finding the Fourth Proportional to 337,430.10, 506,339.55 and 127,218.90

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Solution

The fourth proportional to 337,430.10, 506,339.55 and 127,218.90 is: 190,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,430.10 : 506,339.55 = 127,218.90 : x
  2. Step 2: Convert to fraction form
    337,430.10/506,339.55 = 127,218.90/x
  3. Step 3: Cross multiply
    337,430.10x = 506,339.55 × 127,218.90
  4. Step 4: Simplify right side
    337,430.10x = 64,415,960,577.50
  5. Step 5: Solve for x
    x = 64,415,960,577.50/337,430.10
  6. Step 6: Final answer
    x = 190,901.64

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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.