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Finding the Fourth Proportional to 519,038.64, 716,272.08 and 292,682.64

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Solution

The fourth proportional to 519,038.64, 716,272.08 and 292,682.64 is: 403,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,038.64 : 716,272.08 = 292,682.64 : x
  2. Step 2: Convert to fraction form
    519,038.64/716,272.08 = 292,682.64/x
  3. Step 3: Cross multiply
    519,038.64x = 716,272.08 × 292,682.64
  4. Step 4: Simplify right side
    519,038.64x = 209,640,403,332.69
  5. Step 5: Solve for x
    x = 209,640,403,332.69/519,038.64
  6. Step 6: Final answer
    x = 403,901.34

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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.