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Finding the Fourth Proportional to 586,018.80, 876,695.40 and 507,999.60

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Solution

The fourth proportional to 586,018.80, 876,695.40 and 507,999.60 is: 759,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,018.80 : 876,695.40 = 507,999.60 : x
  2. Step 2: Convert to fraction form
    586,018.80/876,695.40 = 507,999.60/x
  3. Step 3: Cross multiply
    586,018.80x = 876,695.40 × 507,999.60
  4. Step 4: Simplify right side
    586,018.80x = 445,360,912,521.84
  5. Step 5: Solve for x
    x = 445,360,912,521.84/586,018.80
  6. Step 6: Final answer
    x = 759,977.18

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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.