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Finding the Fourth Proportional to 475,365.61, 656,009.71 and 260,501.06

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Solution

The fourth proportional to 475,365.61, 656,009.71 and 260,501.06 is: 359,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,365.61 : 656,009.71 = 260,501.06 : x
  2. Step 2: Convert to fraction form
    475,365.61/656,009.71 = 260,501.06/x
  3. Step 3: Cross multiply
    475,365.61x = 656,009.71 × 260,501.06
  4. Step 4: Simplify right side
    475,365.61x = 170,891,226,546.72
  5. Step 5: Solve for x
    x = 170,891,226,546.72/475,365.61
  6. Step 6: Final answer
    x = 359,494.30

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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.