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Finding the Fourth Proportional to 559,547.70, 840,196.35 and 323,351.70

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Solution

The fourth proportional to 559,547.70, 840,196.35 and 323,351.70 is: 485,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,547.70 : 840,196.35 = 323,351.70 : x
  2. Step 2: Convert to fraction form
    559,547.70/840,196.35 = 323,351.70/x
  3. Step 3: Cross multiply
    559,547.70x = 840,196.35 × 323,351.70
  4. Step 4: Simplify right side
    559,547.70x = 271,678,918,106.30
  5. Step 5: Solve for x
    x = 271,678,918,106.30/559,547.70
  6. Step 6: Final answer
    x = 485,533.08

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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.