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Finding the Fourth Proportional to 577,521.36, 865,700.32 and 240,748.32

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Solution

The fourth proportional to 577,521.36, 865,700.32 and 240,748.32 is: 360,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,521.36 : 865,700.32 = 240,748.32 : x
  2. Step 2: Convert to fraction form
    577,521.36/865,700.32 = 240,748.32/x
  3. Step 3: Cross multiply
    577,521.36x = 865,700.32 × 240,748.32
  4. Step 4: Simplify right side
    577,521.36x = 208,415,897,663.46
  5. Step 5: Solve for x
    x = 208,415,897,663.46/577,521.36
  6. Step 6: Final answer
    x = 360,879.98

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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.