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Finding the Fourth Proportional to 898,368.60, 1,239,957 and 592,499.64

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Solution

The fourth proportional to 898,368.60, 1,239,957 and 592,499.64 is: 817,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,368.60 : 1,239,957 = 592,499.64 : x
  2. Step 2: Convert to fraction form
    898,368.60/1,239,957 = 592,499.64/x
  3. Step 3: Cross multiply
    898,368.60x = 1,239,957 × 592,499.64
  4. Step 4: Simplify right side
    898,368.60x = 734,674,076,115.48
  5. Step 5: Solve for x
    x = 734,674,076,115.48/898,368.60
  6. Step 6: Final answer
    x = 817,786.90

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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.