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Finding the Fourth Proportional to 937,805.60, 1,294,170 and 508,096.40

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Solution

The fourth proportional to 937,805.60, 1,294,170 and 508,096.40 is: 701,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,805.60 : 1,294,170 = 508,096.40 : x
  2. Step 2: Convert to fraction form
    937,805.60/1,294,170 = 508,096.40/x
  3. Step 3: Cross multiply
    937,805.60x = 1,294,170 × 508,096.40
  4. Step 4: Simplify right side
    937,805.60x = 657,563,117,988
  5. Step 5: Solve for x
    x = 657,563,117,988/937,805.60
  6. Step 6: Final answer
    x = 701,172.10

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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.