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Finding the Fourth Proportional to 566,893.10, 782,312.42 and 312,244.28

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Solution

The fourth proportional to 566,893.10, 782,312.42 and 312,244.28 is: 430,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,893.10 : 782,312.42 = 312,244.28 : x
  2. Step 2: Convert to fraction form
    566,893.10/782,312.42 = 312,244.28/x
  3. Step 3: Cross multiply
    566,893.10x = 782,312.42 × 312,244.28
  4. Step 4: Simplify right side
    566,893.10x = 244,272,581,054.35
  5. Step 5: Solve for x
    x = 244,272,581,054.35/566,893.10
  6. Step 6: Final answer
    x = 430,897.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.