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Finding the Fourth Proportional to 653,783.08, 901,856.39 and 607,545.65

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Solution

The fourth proportional to 653,783.08, 901,856.39 and 607,545.65 is: 838,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,783.08 : 901,856.39 = 607,545.65 : x
  2. Step 2: Convert to fraction form
    653,783.08/901,856.39 = 607,545.65/x
  3. Step 3: Cross multiply
    653,783.08x = 901,856.39 × 607,545.65
  4. Step 4: Simplify right side
    653,783.08x = 547,918,926,669.20
  5. Step 5: Solve for x
    x = 547,918,926,669.20/653,783.08
  6. Step 6: Final answer
    x = 838,074.50

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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.