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Finding the Fourth Proportional to 524,848.40, 785,458.20 and 314,637.20

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Solution

The fourth proportional to 524,848.40, 785,458.20 and 314,637.20 is: 470,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,848.40 : 785,458.20 = 314,637.20 : x
  2. Step 2: Convert to fraction form
    524,848.40/785,458.20 = 314,637.20/x
  3. Step 3: Cross multiply
    524,848.40x = 785,458.20 × 314,637.20
  4. Step 4: Simplify right side
    524,848.40x = 247,134,368,765.04
  5. Step 5: Solve for x
    x = 247,134,368,765.04/524,848.40
  6. Step 6: Final answer
    x = 470,868.10

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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.