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Finding the Fourth Proportional to 670,875.96, 927,137.16 and 549,826.32

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Solution

The fourth proportional to 670,875.96, 927,137.16 and 549,826.32 is: 759,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,875.96 : 927,137.16 = 549,826.32 : x
  2. Step 2: Convert to fraction form
    670,875.96/927,137.16 = 549,826.32/x
  3. Step 3: Cross multiply
    670,875.96x = 927,137.16 × 549,826.32
  4. Step 4: Simplify right side
    670,875.96x = 509,764,412,818.05
  5. Step 5: Solve for x
    x = 509,764,412,818.05/670,875.96
  6. Step 6: Final answer
    x = 759,848.98

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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.