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Finding the Fourth Proportional to 653,599.61, 901,947.81 and 363,210.20

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Solution

The fourth proportional to 653,599.61, 901,947.81 and 363,210.20 is: 501,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,599.61 : 901,947.81 = 363,210.20 : x
  2. Step 2: Convert to fraction form
    653,599.61/901,947.81 = 363,210.20/x
  3. Step 3: Cross multiply
    653,599.61x = 901,947.81 × 363,210.20
  4. Step 4: Simplify right side
    653,599.61x = 327,596,644,459.66
  5. Step 5: Solve for x
    x = 327,596,644,459.66/653,599.61
  6. Step 6: Final answer
    x = 501,219.16

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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.