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Finding the Fourth Proportional to 938,030.04, 1,294,476 and 508,310.16

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Solution

The fourth proportional to 938,030.04, 1,294,476 and 508,310.16 is: 701,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,030.04 : 1,294,476 = 508,310.16 : x
  2. Step 2: Convert to fraction form
    938,030.04/1,294,476 = 508,310.16/x
  3. Step 3: Cross multiply
    938,030.04x = 1,294,476 × 508,310.16
  4. Step 4: Simplify right side
    938,030.04x = 657,995,302,676.16
  5. Step 5: Solve for x
    x = 657,995,302,676.16/938,030.04
  6. Step 6: Final answer
    x = 701,465.06

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Double scale
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Similar ratio
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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.