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Finding the Fourth Proportional to 292,080.15, 409,502.70 and 292,080.15

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Solution

The fourth proportional to 292,080.15, 409,502.70 and 292,080.15 is: 409,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,080.15 : 409,502.70 = 292,080.15 : x
  2. Step 2: Convert to fraction form
    292,080.15/409,502.70 = 292,080.15/x
  3. Step 3: Cross multiply
    292,080.15x = 409,502.70 × 292,080.15
  4. Step 4: Simplify right side
    292,080.15x = 119,607,610,041.41
  5. Step 5: Solve for x
    x = 119,607,610,041.41/292,080.15
  6. Step 6: Final answer
    x = 409,502.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.