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Finding the Fourth Proportional to 549,585.79, 824,496.23 and 170,498.30

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Solution

The fourth proportional to 549,585.79, 824,496.23 and 170,498.30 is: 255,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,585.79 : 824,496.23 = 170,498.30 : x
  2. Step 2: Convert to fraction form
    549,585.79/824,496.23 = 170,498.30/x
  3. Step 3: Cross multiply
    549,585.79x = 824,496.23 × 170,498.30
  4. Step 4: Simplify right side
    549,585.79x = 140,575,201,875.17
  5. Step 5: Solve for x
    x = 140,575,201,875.17/549,585.79
  6. Step 6: Final answer
    x = 255,783.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.