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Finding the Fourth Proportional to 635,207.04, 956,613.46 and 578,520

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Solution

The fourth proportional to 635,207.04, 956,613.46 and 578,520 is: 871,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,207.04 : 956,613.46 = 578,520 : x
  2. Step 2: Convert to fraction form
    635,207.04/956,613.46 = 578,520/x
  3. Step 3: Cross multiply
    635,207.04x = 956,613.46 × 578,520
  4. Step 4: Simplify right side
    635,207.04x = 553,420,018,879.20
  5. Step 5: Solve for x
    x = 553,420,018,879.20/635,207.04
  6. Step 6: Final answer
    x = 871,243.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.