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Finding the Fourth Proportional to 634,184.77, 875,210.73 and 376,214.45

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Solution

The fourth proportional to 634,184.77, 875,210.73 and 376,214.45 is: 519,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,184.77 : 875,210.73 = 376,214.45 : x
  2. Step 2: Convert to fraction form
    634,184.77/875,210.73 = 376,214.45/x
  3. Step 3: Cross multiply
    634,184.77x = 875,210.73 × 376,214.45
  4. Step 4: Simplify right side
    634,184.77x = 329,266,919,045.00
  5. Step 5: Solve for x
    x = 329,266,919,045.00/634,184.77
  6. Step 6: Final answer
    x = 519,197.14

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Double scale
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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.