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Finding the Fourth Proportional to 528,085.20, 792,127.80 and 470,024.40

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Solution

The fourth proportional to 528,085.20, 792,127.80 and 470,024.40 is: 705,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,085.20 : 792,127.80 = 470,024.40 : x
  2. Step 2: Convert to fraction form
    528,085.20/792,127.80 = 470,024.40/x
  3. Step 3: Cross multiply
    528,085.20x = 792,127.80 × 470,024.40
  4. Step 4: Simplify right side
    528,085.20x = 372,319,393,918.32
  5. Step 5: Solve for x
    x = 372,319,393,918.32/528,085.20
  6. Step 6: Final answer
    x = 705,036.60

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