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Finding the Fourth Proportional to 750,437.93, 1,035,596.93 and 406,264.77

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Solution

The fourth proportional to 750,437.93, 1,035,596.93 and 406,264.77 is: 560,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,437.93 : 1,035,596.93 = 406,264.77 : x
  2. Step 2: Convert to fraction form
    750,437.93/1,035,596.93 = 406,264.77/x
  3. Step 3: Cross multiply
    750,437.93x = 1,035,596.93 × 406,264.77
  4. Step 4: Simplify right side
    750,437.93x = 420,726,546,547.83
  5. Step 5: Solve for x
    x = 420,726,546,547.83/750,437.93
  6. Step 6: Final answer
    x = 560,641.36

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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.