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Finding the Fourth Proportional to 972,375.74, 1,341,967.80 and 536,870.91

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Solution

The fourth proportional to 972,375.74, 1,341,967.80 and 536,870.91 is: 740,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,375.74 : 1,341,967.80 = 536,870.91 : x
  2. Step 2: Convert to fraction form
    972,375.74/1,341,967.80 = 536,870.91/x
  3. Step 3: Cross multiply
    972,375.74x = 1,341,967.80 × 536,870.91
  4. Step 4: Simplify right side
    972,375.74x = 720,463,477,248.06
  5. Step 5: Solve for x
    x = 720,463,477,248.06/972,375.74
  6. Step 6: Final answer
    x = 740,931.15

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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.