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Finding the Fourth Proportional to 549,411.80, 824,117.70 and 336,835.40

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Solution

The fourth proportional to 549,411.80, 824,117.70 and 336,835.40 is: 505,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,411.80 : 824,117.70 = 336,835.40 : x
  2. Step 2: Convert to fraction form
    549,411.80/824,117.70 = 336,835.40/x
  3. Step 3: Cross multiply
    549,411.80x = 824,117.70 × 336,835.40
  4. Step 4: Simplify right side
    549,411.80x = 277,592,015,126.58
  5. Step 5: Solve for x
    x = 277,592,015,126.58/549,411.80
  6. Step 6: Final answer
    x = 505,253.10

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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.